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US Navy Authorizes Use of Laser In Combat

mi writes The U.S. Navy has declared an experimental laser weapon on its Afloat Forward Staging Base (AFSB) in the Persian Gulf an operational asset and U.S. Central Command has given permission for the commander of the ship to defend itself with the weapon. The 30 kilowatt Laser Weapon System (LaWS) was installed aboard USS Ponce this summer as part of a $40 million research and development effort from ONR and Naval Sea Systems Command (NAVSEA) to test the viability of directed energy weapons in an operational environment. No word yet on a smaller, shark-mounted version.

225 comments

  1. USS Ponce? by AmiMoJo · · Score: 4, Funny

    Really? Does "ponce" mean something different in US English or is there some story behind it?

    I thought poncy names for ships was the preserve of the Royal Navy.

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    1. Re:USS Ponce? by avgjoe62 · · Score: 4, Informative

      From the link on the name in the summary:

      Ponce is the only ship of the United States Navy that is named for Ponce in the Commonwealth of Puerto Rico, which in turn was named after the Spanish explorer Juan Ponce de León, the first governor of Puerto Rico and European discoverer of Florida.

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    2. Re:USS Ponce? by Anonymous Coward · · Score: 0, Interesting

      Ponce is the only ship of the United States Navy that is named for Ponce in the Commonwealth of Puerto Rico, which in turn was named after the Spanish explorer Juan Ponce de León, the first governor of Puerto Rico and European discoverer of Florida.

      http://en.wikipedia.org/wiki/USS_Ponce_(LPD-15)

    3. Re:USS Ponce? by Anonymous Coward · · Score: 5, Funny

      Ponce is the only ship of the United States Navy that is named for Ponce in the Commonwealth of Puerto Rico

      And a good thing too, nobody would know what the fuck is going on if there were 15 ships and a submarine all named Ponce.

    4. Re:USS Ponce? by king+neckbeard · · Score: 2, Insightful

      Both the term 'ponce' and the USS Ponce are named after Juan Ponce De Leon. He's just perceived a bit differently in different places.

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    5. Re:USS Ponce? by Anonymous Coward · · Score: 0

      Which translates in modern tongue to Juan, Pimp of Lions

    6. Re:USS Ponce? by ganjadude · · Score: 1, Funny

      I dont know, but wake me when they mount the lasers to some frickin sharks

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    7. Re:USS Ponce? by DexterIsADog · · Score: 4, Funny

      Ponce is the only ship of the United States Navy that is named for Ponce in the Commonwealth of Puerto Rico

      And a good thing too, nobody would know what the fuck is going on if there were 15 ships and a submarine all named Ponce.

      "Is your name not Bruce?"

    8. Re:USS Ponce? by TechyImmigrant · · Score: 1

      https://www.youtube.com/watch?...

      I think that explains it.

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    9. Re:USS Ponce? by Anonymous Coward · · Score: 0

      Yeah, in Florida they think of him as the discoverer of America (the continental part above Mexico, at least). In the rest of the world, they realize that he got hit with a poisoned arrow, courtesy of the natives, and killed almost immediately after stepping off the boat, which makes him one of the unluckiest people to name anything since people started calling their football teams "Trojans" (lost the war). Really, do you want your experimental, cutting edge, exploratory tech ship named after the guy whose claim to fame is that he died as soon as he made his discovery?

    10. Re:USS Ponce? by Neil+Boekend · · Score: 1

      For the moment it is more like mounting the sharks to the lasers.

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    11. Re:USS Ponce? by Anonymous Coward · · Score: 0

      The Death Star is now fully operational!

    12. Re:USS Ponce? by Anonymous Coward · · Score: 0

      Never mind Wikipedia, go with this: http://en.wiktionary.org/wiki/...

      They might as well have called it "USS Namby Pamby Fairy"

    13. Re:USS Ponce? by RavenLrD20k · · Score: 1

      ...since people started calling their football teams "Trojans" (lost the war).

      While historically the Trojan Army was heralded as one of the world's best up until their infamous defeat, the people who name American Football teams may be taking a more modern interpretation to imply good "coverage." Think of all the jokes that could and would come up at our pep rallies when our team of "Trojans" had a game with the rival "Spartans" across town. A certain scene from Naked Gun comes to mind.

  2. End of flight as we know it by Anonymous Coward · · Score: 0

    Jets and missiles can't dodge the speed of light.

    1. Re:End of flight as we know it by burni2 · · Score: 1

      But Light can be reflected!

      Stop hitting yourself, it's only c/2 fast but I think anybody can hardly dodge this!

    2. Re:End of flight as we know it by fuzzyfuzzyfungus · · Score: 4, Interesting

      What remains to be seen is whether jets and missiles can shrug off (either through brute-force thickening or more sophisticated ablative armor or actively deployed particulates that effectively scatter incoming light) the relatively tepid amounts of energy that lasers (especially anything that dodges the rather nasty requirements of chemical lasers) are good for, particularly at range, under optically sub-optimal conditions (never have those at sea!).

      Even under the ideal and closely controlled conditions of industrial laser cutters, lasers are abundantly unsafe for ocular exposure; but by no means the speediest remover of bulk material. In an atmosphere, range is going to be constrained by thermal distortion if nothing else, so the ease of keeping photons on target won't be quite as dramatic as it would be in space, and against close-in non-aircraft, there'll be a lot of cheap 'n nasty (but probably embarrassingly effective) countermeasures involving coating things with mud, spraying them with seawater, and generally making a 3rd world nuisance of yourself.

      (By way of comparison, assuming that this 30Kw laser delivers 100% of energy to target, it'll take 2/3 of a second of continuous exposure to deliver the same number of joules to the target as a .50 BMG. Now, if you can't put a bullet on target, that's irrelevant; but in terms of expected stopping power the finest in combat laser technology is...distinctly middling... compared to guns that date back to the period between the world wars. Obviously the fire control system has evolved out of sight; but given how long it'll have to stay on target, you'd hope so.)

    3. Re:End of flight as we know it by Anonymous Coward · · Score: 0

      oh yea its totally dead...

      https://www.youtube.com/watch?v=VYv3bbMTbKE

    4. Re:End of flight as we know it by Firethorn · · Score: 2

      What remains to be seen is whether jets and missiles can shrug off (either through brute-force thickening or more sophisticated ablative armor or actively deployed particulates that effectively scatter incoming light) the relatively tepid amounts of energy that lasers (especially anything that dodges the rather nasty requirements of chemical lasers) are good for, particularly at range, under optically sub-optimal conditions (never have those at sea!).

      Current missiles ride pretty close to the edge, it doesn't take much of a hole or even for thermal forces to screw them up. Plus, any armor or countermeasures aren't fuel to increase range, warhead to increase damage, or guidance packages to make it hit the target.

      Heck, the laser getting the guidance and blinding the missile would normally be a mission kill for the missile.

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    5. Re:End of flight as we know it by BoRegardless · · Score: 1

      Don't necessarily need to "burn through" thick metal to disable a missle. If you hit control surfaces, instrument surfaces or impact sensors, you can disable/destruct fairly fast.

    6. Re:End of flight as we know it by xaotikdesigns · · Score: 1

      But they can dodge targeting systems and the motors that control the laser

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    7. Re:End of flight as we know it by xaotikdesigns · · Score: 1

      Hey, I think I was actually at that one

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    8. Re:End of flight as we know it by xaotikdesigns · · Score: 1

      Exactly, just overheat the electronics and let the thing do what ever the missile version of the Red Ring of Death is called. Whether it explodes or just falls out of the sky, it's not going to do much without any control systems working.

      --
      XDInd
    9. Re:End of flight as we know it by techno-vampire · · Score: 1

      Not all of the damage is done by the warhead, some of it comes from mass and momentum, and any shielding that survives until the missile hits just adds to that effect. In fact, most of the weight of a classic armor-piercing shell is simply a mass of metal in front of the bursting charge (with a time-delay fuse) that's intended to batter its way into (and if possible through) the target's armor before the warhead detonates. As an example, a 16 inch armor piercing shell weighs 2700 pounds of which only 150 pounds are HE. Bombardment rounds are 2200 pounds, including 500 pounds of HE.

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    10. Re:End of flight as we know it by lgw · · Score: 2

      Have you watched the video? It seems reasonably destructive. The missile target (carried on a platform on a boat, as the weapon seems manually aimed in this demo) just detonates - presumably the fuel goes up. It's hard to see how much damage the drone target took, as we only have the gun camera footage, but it clearly changed from flying to falling. Thermal energy is generally going to be more of a threat than a puncture to anything that's carrying a bunch of jet fuel.

      I don't know about this weapon, but the ABL (a much larger and heavier and more expensive beast) actually compensated for atmospheric distortion using the same flexible-lens trick that spy sats use - that's a mature technology now.

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    11. Re:End of flight as we know it by milkmage · · Score: 1

      but

      1) “It would be [used] against those [unmanned aerial vehicles], slow moving helicopters, fast patrol craft.” - not likely to have countermeasures of any sort

      and

      2) they say it costs about a dollar per shot..

      The system is powered and cooled by a so-called “skid” that provides power through a diesel generator and is separate from Ponce separate electrical systems.

      http://en.wikipedia.org/wiki/L...
      Among the advantages of this device versus projectile weapons is the low cost per shot, as each firing of the weapon requires only the minimal cost of generating the energetic pulse; by contrast ordnance for projectile weapons must be designed, manufactured, handled, transported and maintained, and takes up storage space.

      safe, cheap (consumables) and effective.. what more do you want in a weapons system

    12. Re:End of flight as we know it by afidel · · Score: 3, Informative

      Not perfectly, and the energy absorbed from a 30kw laser will quickly darken the surface accelerating the rate of energy absorption. Here's a video of a 500W laser cutting into a mirrored surface.

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    13. Re:End of flight as we know it by Anonymous Coward · · Score: 0

      It's not a chemical laser, and jets are not among its target set. Agree that the use for this system is quite limited given its current power.

    14. Re:End of flight as we know it by afidel · · Score: 2

      Huh? There's no way a missile can outmaneuver the optical targeting system on these things, the biggest threat will be surface skimming that will reduce the targeting systems reaction time, but the newest class of ships have pretty good synthetic aperture radar and the computer aided target discrimination is getting better all the time.

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    15. Re:End of flight as we know it by Anonymous Coward · · Score: 0

      Even under the ideal and closely controlled conditions of industrial laser cutters, lasers are abundantly unsafe for ocular exposure; but by no means the speediest remover of bulk material

      Sure, but we can't just throw circular saws with massive extension cords at everything....

    16. Re:End of flight as we know it by Anonymous Coward · · Score: 0

      Well now that's quite a bit of rubbish. Industrial lasers are usually monochromatic. You know, like those little laser pointers you point at passing aircraft. The Navy's lasers are wide spectrum free electron lasers. They aren't monochromatic, and actually look a lot like (and work a lot like) a travelling wave tube. One of the problems with a .50 BMG is 1) flight time, 2) explosives. With a laser, even on a rolling weapons platform, you can aim directly at the target and see if you are hitting your target. With explosives, the problem is that you have explosives. Now if those explosives are within the bullet, and an enemy shell hits your ship, the explosive will explode. Its what explosives do. There is also a lot of weight with explosives, and careful handling. If you are comparing what the Navy has with industrial lasers, you are comparing apples and oranges. Its not a long range weapon, but a very good close in weapons system. It can engage with incoming missiles literally at the edge of its range.

    17. Re:End of flight as we know it by Anonymous Coward · · Score: 0

      By way of comparison, assuming that this 30Kw laser delivers 100% of energy to target, it'll take 2/3 of a second of continuous exposure to deliver the same number of joules to the target as a .50 BMG.

      Energy is a poor figure of merit here. A .50 BMG bullet has a muzzle energy of ~15 kJ, equivalent to ~0.3 grams of gasoline. If you shoot a steel plate with the bullet, it will penetrate; if you pour the gasoline on it and set fire to it, it won't. The difference is *momentum*, which the bullet has, and the gasoline lacks.

      Lasers also lack any significant momentum, so you'd expect them to be similarly useless (which actually reinforces your point). But there are more possibilities to consider: the laser could be focused down to a much finer point, sufficiently so to penetrate (unlikely under real-world optical conditions, I think); the laser could be concentrated into short (sub-millisecond) pulses, each of which is sufficient to vapourise a tiny layer of the surface of the target, with most of the damage resulting from explosive expansion of the vapourised layer; and, even if the laser doesn't structurally harm the target, it's still going to blind any optical sensors.

    18. Re:End of flight as we know it by Firethorn · · Score: 1

      If it misses because the guidance systems are blinded of fried, all the momentum doesn't matter.

      And most missiles aren't bunker-buster/armor penetrating either.

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    19. Re:End of flight as we know it by Mr.CRC · · Score: 2

      "free electron lasers..."

      Are you freaking nuts? FELs are big contraptions in particle accelerator labs.

      The Navy's gadget is a fiber laser. Ie., a diode pumped fiber. Diode lasers are very efficient these days, and fiber lasers and amplifiers are similar. Fiber lasers don't exist except for being diode pumped. This is the only way to get tens of kW from a package size that will fit on a pallet.

    20. Re:End of flight as we know it by Anonymous Coward · · Score: 0

      (By way of comparison, assuming that this 30Kw laser delivers 100% of energy to target, it'll take 2/3 of a second of continuous exposure to deliver the same number of joules to the target as a .50 BMG.

      Keep also in mind that the .50 round delivers its energy in a very small area. Lasers don't spread much, but they spread some, and at the kind of ranges you want to be shooting things at, the impact area might be a foot across.

      All the industrial lasers we're seeing here are used at VERY short ranges - Fractions of an inch! - And here we're talking miles away..

      No. It'll be a great blinding device - It'll blind CCDs as well as eyes - but as a "blaster" weapon it's not going to be very effective.

      IMHO.

      AC

    21. Re:End of flight as we know it by delt0r · · Score: 1

      So this shot something moving a few 10s of miles an hour on absolutely flat water and you think that look reasonable destructive?

      This looks a lot more destructive. And they only have to fire a few at once. Also point defense is nothing new. Antiship missiles are designed with them in mind.

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    22. Re:End of flight as we know it by delt0r · · Score: 1

      Relevant. Exactly how does this increase combat effectiveness outside Somalia pirates?

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    23. Re:End of flight as we know it by delt0r · · Score: 1

      FEL are the size of a football field and even then are a full R&D project just to make them work. Once. You have been reading to many comic books.

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    24. Re:End of flight as we know it by Bob+the+Super+Hamste · · Score: 2

      Well considering that fast small boats have been shown to be a weak point against our large capital ships. Also it seems that a lot of what we do with the US navy is fight Somali pirates so this might be put to good use.

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    25. Re:End of flight as we know it by delt0r · · Score: 1

      I would have thought a few .50cals would be cheaper.

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    26. Re:End of flight as we know it by Bob+the+Super+Hamste · · Score: 1

      Those are fairly expensive per shot from my understanding. I don't know what they cost the military but the .50 BMG round in the civilian market the cheap end is about $5 per shot. So even assuming the military gets a bulk discount because they bought a billion rounds (from the number pulled from my ass department) it seems unlikely that it would cost less than a $1 per shot. I have looked into reloading but given what I mostly shoot (Finnish M39 with 203grain bullets) I might be able to slightly better than the ~$0.50 per shot I pay retail but that would require finding some 7.62x54r reloadable brass. Given that it wouldn't surprise me if the materials for a .50BMG round cost more that a $1 and then is sold to the government for $1.01 if not $2.

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    27. Re:End of flight as we know it by laurencetux · · Score: 1

      power can be generated as needed (heck it could be "GREEN") bullets need to be made stored and transported.

    28. Re:End of flight as we know it by Anonymous Coward · · Score: 0

      Overall our aiming and tracking systems for ship based weapons systems are quite good, so as far as that goes I have no doubt about it's ability to stay on target in general, but maintaining the location against an air target could be tricky. For use against air targets, range will be key simply due to closing speeds. More range means more atmospheric attenuation. Aircraft themselves will flight a path that will overshoot the ship, meaning the laser will also need to track faster. This complicates targeting. If you hit the pilot or his sensors you've crippled his capabilities. If you can detonate munitions on the aircraft you;ve ruined his whole day, though this capabillity would i think represent a best case scenario. Most likely I see the weapon being directed directly against incoming munitions (missles or bombs) launched from the aircraft. For one theyre arent going to overshoot the ship but fly straight at it, making their projected flightplan from the point of the laser much more static and requires less tracking and movement. Further their guidance component tends to be in the nose, which is also the side pointed at the ship and its lasers, making blinding them fairly simple. This can be gotten around by having an interial guidance system as backup, but IG cannot account for moving targets, and if the ship is at speed it could easily miss.

      But really this is about ship ship defense against other ships or boats. Chiefly close range defense.

      But I can also see application against ships out to the horizon. It could be especially useful for blinding the sensors on an enemy ship, or the personel on the bridge directly, or even damaging its weapon systems directly; you dont have to sink it, just disable its ability to fight.

    29. Re:End of flight as we know it by Anonymous Coward · · Score: 0

      I see it cheifly as a defensive weapon.

      We already have automated turrets that can shoot missles out of the air, and while they are very accurate, they also rely just as heaviliy on the massive amounts of bullets in the air as they do on their accuracy (creating a wall of lead that garuntees a kill shot).

      So we marry the same tracking system to a laser, and incoming antiship missles or LGBs will be easily defeated. Their flight path is predictable: its coming at the ship, it will not deviate much, and it will not fly over like an aircraft would (which requiring a fast tracking maneuver from the turret at the last second as it flies over). And these munitions have one vital weakness. Their sensors are in the nose, and poitned directly at the ship, and its laser. Blind it, and its useless. Best it can do is fly straight and hope it hits,b ut of the ship is moving crosspath, thats unlikely.

      Also can blind the snesors on other ships, or bridge crew, or directly disable weapon systems (turret mounts, missle doors, even the missles directly if exposed openly like the Sea Dart etc).

    30. Re:End of flight as we know it by dywolf · · Score: 1

      plus once the missle is detected reaction time is less of a factor, as the missle's path is known: straight to the ship. from the lasers perspective, the mossiel isnt moving, just getting bigger. which means once the laser is on target, it doesnt really need to track or move all that much to keep its energy on th missle. and the missles seeker is in the nose, pointed directly at the laser, which simplifies disabling it.

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    31. Re:End of flight as we know it by Hognoxious · · Score: 2

      But Light can be reflected!

      Whereas Bud Light can be rejected.

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    32. Re:End of flight as we know it by techno-vampire · · Score: 1

      You miss my point. Shielding on a missile isn't wasted mass. Either it protects the weapon from the laser or its mass does extra damage to the target. (You can think of it as extra shrapnel if you want.) Within reasonable limits, it's a win-win situation. I gave the details on the 16" shells just as an example.

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    33. Re:End of flight as we know it by milkmage · · Score: 1

      think phalanx - http://en.wikipedia.org/wiki/P...

        In the short term, the LaWS will act as a short-range, self-defense system against drones and boats, while more powerful lasers in the future should have enough power to destroy anti-ship missiles; Navy slab lasers have been tested at 105 kW with increases to 300 kW planned. Laser weapons like the LaWS are meant to complement other missile and gun-based defense systems rather than replace them.

      besides:
      In the video, the LaWS disables a small Scan Eagle-class UAV, detonates a rocket-propelled grenade (RPG), and burns out the engine of a small inflatable boat (RHIB). Following these successful tests, the US Navy has given the commander of USS Ponce permission to use the laser weapon in combat.

      you speak as if RPGs are used exclusively against Captain Phillips.

    34. Re:End of flight as we know it by Firethorn · · Score: 1

      You miss my point. Shielding on a missile isn't wasted mass.

      I did get it. I repeat: "most missiles aren't bunker-buster/armor penetrating". Most missiles are proximity, not impact fused. They get through armor either through size of warhead or the use of a shaped charge.

      Also, extra shrapnel is a complicated affair, because if you make the casing too thick it doesn't fragment properly.

      'Most' Missiles are a hell of a lot lighter than a 16" shell. I'm looking at antishipping missiles because they're the primary target for this laser, ability to take aircraft is a 'happy bonus'.
      16" shells: 2200-2700 pounds, 500-150 pounds HE, per you. Wiki lists max range as 38 km.

      Harpoon anti-shipping missile: Loadings vary, but 1,523 pounds(with booster), 488 pound warhead*. range 280 km(it's what's in the wiki). Warhead 32% of weight DOES have a impact mode though.
      Exocet: 1,480 pounds, 364 pounds warhead, 180 km, 25% of weight
      The heaviest current anti-shipping missile wiki mentions:
      P-270 Moskit: 9,900#, 710# warhead. 120 km, 7% of weight.

      I'll note that while most of the non-explosive weight of a 16" shell is obviously metal, most of the non-explosive weight on a missile is fuel.

      If a missile is already designed to penetrate, and you're removing explosives to add more metal to protect it from a laser(and it has to already deal with existing amounts of armor), it might or might not penetrate further, but it's going to explode with less force afterwards, and whether or not this is better depends on how close the original designers were to optimum, you know? If they went too light(unlikely, ships were actually more armored when many of these were first designed), then maybe. Otherwise they now have more armor/weight than ideal under the old system, ergo performance reduced.

      *Which will have varying amounts of explosives, it's a modular system.

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    35. Re:End of flight as we know it by lgw · · Score: 1

      The current standard CIWS is anti-missile missiles. But they have problems: ammo is pretty limited, they take time to get to their target, and they're not built to target incoming slow-moving small boats. While a laser is limited to horizon range, that's fine for CIWS, and being able to kill very quickly after threat detection (the servos on the turret are likely the limiting factor) is a great advantage. The problem today is incoming anti-ship missiles that are faster than the anti-missile-missiles. That makes it really hard for escorts to do their job.

      You say they only have to fire a few at once, but naval surface combat is all about launching hundreds of ship-to-ship missiles timed to arrive together to overwhelm defensive capacity - and that's a much lower tech trick to pull off than operating a modern aircraft carrier.

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    36. Re:End of flight as we know it by techno-vampire · · Score: 1

      'Most' Missiles are a hell of a lot lighter than a 16" shell.

      Well, yes. Of course. I quoted those figures simply to show the difference (both in total mass and bursting charge) between an armor piercing and a bombardment round because I happen to know them. And, BTW, I'm not sure if the max range is quite right because back when I was in Uncle Sam's Navy, they were listed as reaching out to 25 nautical (not statute) miles. That 38km might be right, I just don't have either the time nor the inclination to calculate it for myself and it's not exactly important. Just thought I'd mention it.

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    37. Re:End of flight as we know it by Anonymous Coward · · Score: 0

      Sure, but we can't just throw circular saws with massive extension cords at everything....

      Which is a pity, because I'd pay to watch that.

      P.S. Ellipsis - three dots.

    38. Re:End of flight as we know it by Firethorn · · Score: 1

      Google says 25 nmn = 46.3 km, so you may be right. I just looked up 16" and grabbed the range for the mod 8. There's also a number of different ranges listed for the Harpoon, which makes some sense when you have booster/no booster, different warheads, submarine vs surface launch, and even have to consider wind patterns and weather when you actually launch it. That's BEFORE deliberate confustication on the part of the military as to it's exact abilities in order to mislead the enemy.

      Anyways, if enemy forces start armoring their missiles there's a number of solutions - more powerful lasers or even more of them.

      Oh yeah, and especially when you start introducing multiple lasers(possibly on different ships), consider that the laser might be hitting the side of the missile, not the front. Puncture the side of it and there's several possibilities at first glance:
      1. Fuel tank ruptured - loss of fuel may deny it the ability to reach the target ship.
      2. Solid fuel hit - you now have an uncontrolled jet out the side. Missile rendered uncontrollable, loss of stability(and range), missile no longer a concern.
      3. Electronic/mechanical component hit - Results may vary. Loss of sensor capability means it can't aim to hit, mission kill. Loss of power kills the missile. Loss of control surface means the missile can't aim itself anymore either. The engine might be disabled(some of these are more like a small jet than a rocket). Etc...
      4. Explosives hit - while they're unlikely to explode outside of the detonator going off, they might catch fire and have much the same effect as the solid fuel hit.

      Don't forget that while the electronics are armored and there's a lot of air flow to help keep it cool, that's still a very big laser and the components do have a maximum operating temperature. They can fail from heat alone.

      Anyways, armor on the SIDE of the missile wouldn't be helping much with penetration, it'd be lighter and more effective to make it ablative, which really wouldn't help with penetration. Well, other than helping to make sure it actually reaches the target in a laser equipped environment.

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    39. Re:End of flight as we know it by techno-vampire · · Score: 1

      Part of penetration comes from mass and momentum. That's why the fuse of an armor piercing shell is at the back and has a time delay. Assuming that the impact velocity isn't lowered, more mass means more momentum. And, of course, if you can't increase the velocity, the only way to increase the impact energy is to increase the mass, which is why musket balls were so big.

      I think we're both in agreement here that armor piercing isn't the main issue any more, although I'd be willing to argue that maybe it should be. I'm just trying to explain why I think that some sort of shielding, either reflective or ablative (if not both) isn't a waste of mass on a missile that's going against a laser defense.

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    40. Re:End of flight as we know it by Firethorn · · Score: 1

      I'm just trying to explain why I think that some sort of shielding, either reflective or ablative (if not both) isn't a waste of mass on a missile that's going against a laser defense.

      First, you're telling me things I already know again. The easiest argument it not being wasted mass is 'If we don't put defenses against lasers on this missile it's unlikely to get through and strike it's target'. You end up either armoring them or sending a shoal of them to overwhelm the lasers.

      You might not like spending the mass, but you still do it.

      This, however, may run into a problem with: Armor tends to be heavy, ergo to maintain range we have to put in a bigger engine and more fuel, which leads to needing more armor, which means a bigger engine and more fuel to maintain speed. A bigger missile may be easier to target by the laser, which means you need even more armor.

      It doesn't go on permanently, of course, but you can end up with a substantially bigger and more expensive missile in the end. Or one with a substantially smaller warhead because you couldn't make the submarine launched missile bigger without redesigning the submarines. Or maybe you sacrificed range.

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    41. Re:End of flight as we know it by techno-vampire · · Score: 1

      Armor tends to be heavy...

      Armor designed to protect against impact gets heavy, very fast. Armor against lasers, maybe not, but I think we need to think in terms of shielding, not armor because that includes ablative protection which may not be as massive. And yes, there's a trade off, as shown by the fact that the bursting charge in an armor piercing shell is much smaller than what's used in a bombardment round. The problem, of course, is working out the optimal balance, and I have no idea how that's done, but I'm sure that the people designing these things know how to decide how much shielding is enough.

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    42. Re:End of flight as we know it by perryizgr8 · · Score: 1

      I guess the cost for firing a missile would be in the hundreds of thousands of dollars range. Whereas the laser would be $0/shot once installed. Also, you can carry a limited number of missiles. Laser will just keep going. And its not like they will remove the missiles. Ponce will likely have both missiles and laser.

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    43. Re:End of flight as we know it by Anonymous Coward · · Score: 0

      Or regurgitated.

  3. Pew pew pew! by Anonymous Coward · · Score: 0

    It's finally happening! When do we get to call our guns "DEWs" now?

  4. in other news... by Anonymous Coward · · Score: 0

    Overly reflective vessels have been banned as have mirrors.

    1. Re:in other news... by BitZtream · · Score: 4, Interesting

      No mirror exposed to the open ocean will be clean enough to not explode fairly quickly when a 30kw laser beam hits it.

      Honestly, I'm surprised the laser itself doesn't have issues with its own optics in that sort of environment. One tiny spec of dust on the lens would be disastrous.

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    2. Re:in other news... by Professor+Buttplug · · Score: 1

      Hopefully that 40 million was spent wisely!

    3. Re:in other news... by Anonymous Coward · · Score: 0

      How do you think the canopies of jet fighters stay squeaky clean, unfogged and almost perfectly clear? Actually I don't know myself, but it probably has something to do with that.

    4. Re:in other news... by Triklyn · · Score: 1

      couldn't you pop it into a big tube, that constantly pushes out air?

    5. Re:in other news... by Anonymous Coward · · Score: 0

      I wonder what it would take to keep that thing cool once it's fired up? Liquid helium?

    6. Re:in other news... by Razed+By+TV · · Score: 1

      Could probably pump a gas out at the lens so debris and dust don't make it onto the lens.

    7. Re:in other news... by Anonymous Coward · · Score: 0

      The mirror must indeed be cooled, keep in mind that there is a time lag between being hit, reflecting and destruction "fairly quickly" is c/2 too slow
      to counter the laser with itself, that lag must be long enough to act on the laser.

      Also the 30kW are availible at point blank range, and just as you recognized the laser will degrade quickly especially when fired at sea level (salt & water vapor)

      But for cleaning most likely they will use a constant airflow when activated and a cover when deactivated.

    8. Re:in other news... by Tailhook · · Score: 5, Informative

      One tiny spec of dust on the lens would be disastrous.

      No. That's a myth. A tiny speck absorbs a tiny amount of energy before ionizing. These lasers are made of a large mass of tough material and they don't explode or whatnot when a tiny piece of matter ionizes on a ruby or YAG crystal surface.

      Powerful cutting and welding lasers are used all day long in manufacturing environments around the world. They don't go haywire when a tiny speck of foreign material vaporizes in the beam. The laser degrades over time as damage accumulates.

      Cracked lenses or lenses with significant contaminants on the surface can be damaged or even explode when the laser is activated. A speck of dust won't get you there.

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    9. Re:in other news... by fuzzyfuzzyfungus · · Score: 1

      I'm sure that the crew includes a contractor to wipe the lens before firing and then invoice Uncle Sam for precision optical services.

      As for mirrors, purely reflective countermeasures will be a waste of time; but ablative ones or water cooled open cell foams might be an issue.

    10. Re:in other news... by Chuckstar · · Score: 3, Informative

      According to stuff I've read before, dust particles are mostly a problem inside the system, on mirrors and on targets. This is because dust hit by a laser tends to accelerate away from the beam source, as the side of the particle that is illuminated by the laser vaporizes first. So dust on the near side of a lens, on a mirror or on a target would get blown into the object's surface, causing pitting. But dust on the far surface of a lens would get blown off of the lens. Inside the system, this would be a problem because that dust would get blown into the next element in line. But on that last lens/window where the beam exists, I think mostly the external surface dust merely gets accelerated off of the surface. I'm sure they make an effort to keep that surface clean, but I'm not sure it's as crucial an issue as your post makes it out to be.

    11. Re:in other news... by Anonymous Coward · · Score: 0

      nope, FELs use magnetic fields to produce the lasing effect. There are no lenses in a traditional sense and the lasing plasma is contained in a magnetic bottle.

    12. Re:in other news... by NatasRevol · · Score: 1

      Well, they do have a rather large heat sink right under them.

      --
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    13. Re:in other news... by Bartles · · Score: 1

      Honestly, I'm surprised the laser itself doesn't have issues with its own optics in that sort of environment. One tiny spec of dust on the lens would be disastrous.

      Not really a problem. The laser isn't focused at the objective, and the 30kw of light energy flowing through the objective tend to keep it pretty clean.

    14. Re:in other news... by Anonymous Coward · · Score: 0

      You could, and that's how it's often actually done. Just replace air with a gas cooled by expansion out of its cylinder.

    15. Re:in other news... by Anonymous Coward · · Score: 0

      How do you think the canopies of jet fighters stay squeaky clean, unfogged and almost perfectly clear? Actually I don't know myself, but it probably has something to do with that.

      Monkey cum.

      Seriously, that's what the white goop used to polish aircraft canopies is called.

    16. Re:in other news... by Anonymous Coward · · Score: 0

      Always remember to clean your optics....

    17. Re:in other news... by Anonymous Coward · · Score: 0

      from what I understand theres a ultrasonic device used to keep canopies clean during flight, could use the same tech to keep the lens clean?

    18. Re: in other news... by jd2112 · · Score: 1

      The DOD probably could find $40M in loose change from the couches in the Pentagon.

      --
      Any insufficiently advanced magic is indistinguishable from technology.
    19. Re: in other news... by Anonymous Coward · · Score: 0

      They don't. They're cleaned before every sortie

    20. Re:in other news... by BitZtream · · Score: 1

      Vaporizing in the beam off the surface is different than on the surface.

      The process occurring on the surface creates are larger pot mark on the surface, so the surface is no longer 'flawless', which then cascades from there.

      There is no way the thing would survive long with sea spray on it. What happens in a lab is not what happens in combat on the open ocean.

      They have to have some mechanism to protect the optics on the device itself, even if that is as others have suggested by putting it in a tube that expels air in such a way to ensure no contaminates may enter. That and the beam itself contains some force to expel things from the surface.

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    21. Re: in other news... by DigiShaman · · Score: 1

      I'm not a sailor, but I have seen what happens when sea spray hits glass. Over time as the sun drys it, an accumulation of salt film builds up. That's not always easy to clean off.

      --
      Life is not for the lazy.
    22. Re:in other news... by Anonymous Coward · · Score: 0

      dat phase change yo

      When materials start changing phases, like going from solid to liquid, laz0r beams get soaked up nicely. They are no longer so transparent or reflective.

      But yeah, a tiny speck of dust will be ablated into the heavens. Really a fan would probably be enough to move the plasma away from the beam fairly quickly, sort of how an excimer laser will circulate dat plasma.

      Personally I'd just keep the beam wide close to the optics to reduce the power density and have it focus on the target far way. Then it's less of an issue on the optical surface, even if some greasy sailor put his fingers all over the optics.

    23. Re:in other news... by Mr.CRC · · Score: 1

      It's not the flux that matters. It's the flux per unit area, ie., irradiance or radiant exitance. As long as the laser's exit optic is large, the power per area is low. But at the focal point, it's a different matter.

      Where the stress exists a laser like this is that they are developing this level of flux in a friggin' fiber! That's before it gets to the projecting and directing optics.

    24. Re:in other news... by delt0r · · Score: 1

      Its only 30KW. It won't be all that disastrous at all. It really isn't all that powerful. Even a dirty mirror will significantly increase the dwell time required. Add an ablative layer. You could take seconds to do anything. The if they fired 2 at the same time?

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    25. Re:in other news... by delt0r · · Score: 1

      WTF are you talking about? This is not a FEL, and 2 FELs don't have plasma but high energy electron beams, and 3 if the FEL produces visible wavelengths normal mirrors work fine. I think your getting confused with some comic book super villain with a touch of star trek technobabble.

      --
      If information wants to be free, why does my internet connection cost so much?
    26. Re:in other news... by qeveren · · Score: 1

      I imagine the beam diameter is larger at the source, converging on the target. This keeps the flux(?) low enough at the source not to incinerate its own optics.

      --
      Don't just stand there, get that other dog!
    27. Re: in other news... by SuiteSisterMary · · Score: 1

      If only the Navy had hundreds of years of experience with dealing with saltwater. If only somebody could invent covers.

      Ah well. Scrap the whole project.

      --
      Vintage computer games and RPG books available. Email me if you're interested.
  5. This might alienate anti-ISI* Muslims. by Ungrounded+Lightning · · Score: 2, Interesting

    One of the religious prohibitions in Islam is making war with fire.

    If this is used it will be interesting to see the effects on recruiting by the Islamic State and other anti-US organizations among those Muslims who are currently either opposed to them or unaligned.

    Also: How do you keep a 30 kW laser, at any frequency, from blinding everybody in the general direction of the target? The last I heard, weapons that blind are banned by the current "laws of war" as recognized by the western powers - and that's been the major impeidment so far to deploying laser (and other directed energy) weapons. Has something changed? Or did the current administration just decide to play with the new toy despite past promises to the other kids?

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    1. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      Because the normal fire bombs we use aren't fiery enough...?

    2. Re:This might alienate anti-ISI* Muslims. by Triklyn · · Score: 1

      yeah... it's going to be the laser weapons that makes them hate us.

      and i get the feeling that this is going to "blind" combatants in the same way a bullet blinds them. utter removal of the seeing apparatus.

    3. Re:This might alienate anti-ISI* Muslims. by DavenH · · Score: 2

      It's not illegal to use weapons that blind, it just cannot be their primary purpose to do so. Like, a nuke can probably blind someone. This laser is ostensibly designed for non-human targets.

    4. Re:This might alienate anti-ISI* Muslims. by ShieldW0lf · · Score: 4, Insightful

      That "Law" only applies to weapons whose primary purpose is to create blindness. Incidental blindness in pursuit of an "acceptable" primary purpose is specifically permitted.

      Though, really, rules concerning the appropriate way to make war are just another example of a cartel colluding to protect their monopoly on the use of deadly force by raising the bar of entry.

      The purpose of war is to shatter a social system that is harming our species and make space for something better. If your war is moral, the cruelty of your weapons is immaterial.

      --
      -1 Uncomfortable Truth
    5. Re:This might alienate anti-ISI* Muslims. by rtb61 · · Score: 1

      I have got the feeling that using high energy lasers on boats with the unpredictable reflective nature of the surface of the sea, waves and such, might not be the safest thing to do for anyone involved in those laser shenanigans. Perhaps a rethink might be in order or at least many damn good pairs of sunglasses for the crew of the vessel, crews of any nearby friendly vessels or planes or people on the shore. So what fraction of second for the partial reflection of a high energy laser is required to blind someone or in fact everybody looking in that general direction at the time.

      --
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    6. Re:This might alienate anti-ISI* Muslims. by vux984 · · Score: 2

      It's not illegal to use weapons that blind, it just cannot be their primary purpose to do so

      Exactly right. Nearly all weapons can blind. But if the reason the weapon was fired was to kill a target, or destroy a missile, or sink a boat... or whatever than its 'fine' if someone gets blinded.

      But if your just pulling the trigger with the intention to blind people, then its against the "rules".

    7. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      Making war with fire? Fire? As in rapid oxidation of a combustible material? Like pouring burning oil on your enemies? Or throwing a molotov cocktail at them?

      Then what does a high energy coherent light beam have to do with making war with fire? Sure, the target will probably ignite if it itself is combustible. Don't you think it'd do that anyway if you hit it with a conventional bomb?

      Other than that, I'm not sure what your point is.

    8. Re:This might alienate anti-ISI* Muslims. by fuzzyfuzzyfungus · · Score: 5, Informative

      Protocol IV of the 1980 Convention on Certain Conventional Weapons is unlikely to be a problem.

      Per Article 1, weapons specifically designed as their sole combat function, or one of their functions, to cause permanent blindness are Not OK.

      However, Per Article 3, "Blinding as an incidental or collateral effect of the legitimate military employment of laser systems, including laser systems used against optical equipment, is not covered by the prohibition of this Protocol." Just aim for a legitimate target and stock up on braille sympathy cards.

      Problem solved.

      As for making war with fire, light isn't fire, and conventional explosives(never mind thermobarics and incendiaries) are markedly more strongly associated with fire. Lasers have that novelty thing going against them; but anybody who actually cares about the letter of the law probably has hangups about tracers, attacks on fuel dumps, and other routine stuff. As soon as the novelty wears off lasers will recede into the background.

    9. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 1

      The law against blinding is specifically against devices whose sole function is to blind. It's supposed to prevent armies from using intentionally maiming weapons.

      Also, where did you get that thing about "prohibition on making war with fire?" If that's true, explain the militants' obsession with explosives?

    10. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 1

      Torture is also banned by the current "laws of war".

      We just don't bother with those laws.

    11. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      Wow, this seems to be riddled with misconceptions...

      All explosive weapons (which covers most of the high-energy weapons currently in use, except for naval shell lobbers) are by default fire-based. A new one isn't going to change the perception or the motivation of "the enemy" by any substantial amount.

      You'd have to stretch the definitions pretty far to classify lasers as "fire-based", it seems slightly more accurate to call them electromagnetic or radio-based, but why not just be accurate and call them light-based? And worth noting: fire sometimes emits light energy, but not all light energy is fire - if it was then we'd have a problem every time we switched on a light switch.

      Blinding persons in the vicinity of the target is not an issue - BEING in the vicinity of the target is the issue (same applies for all weapons systems). By it's very nature of being a focused, collimated beam a laser does not affect anything in "the general direction" of the target - if it was not focused and accurate, it wouldn't be an effective weapon and might not even be dangerous.
      The intent of the LaWS system would seem to be pure destruction of a physical target, not blindness of humans, so I'd expect that it would not violate these mythical "Laws of War" that you reference (citation please), or any other treaties that may be in place.

      Mil-industrial complex has probably been working on this weapon type for a couple of dozen years, so it might be tough to find any justification to blame anyone currently in power for any perceived nastiness, though it will certainly be popular to try.

    12. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 1

      Lets see, bullets and bombs all require "fire" to work, so I guess the prohibition is meaningless.

      But lets see,
      the USA has criticised other countries for Torture, the USA is alright because it renamed it to "Enhanced Interrogation"
      the USA has criticised other countries for imprisoning people without charges and trials, the USA is alright because they only do it in someone else's country
      the USA has criticised other countries for racism, yet.... oh wait its OK for white cops to shoot unarmed black teens...sorry
      the USA has criticised other countries for trade protections, the USA has its own and has LOST it cases when taken to court, but continues them anyway.
      the USA has criticised other countries for kidnapping people, but the US calls it extraordinary rendition, which is OK

      So, yeah, no matter what the US agrees to, argues for , they will lie cheat and steal when ever it suits them, they are in reality no better than Russia, China, Cuba

    13. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 1

      One of the religious prohibitions in Islam is making war with fire.

      If this is used it will be interesting to see the effects on recruiting by the Islamic State and other anti-US organizations among those Muslims who are currently either opposed to them or unaligned.

      Is this a serious comment? Incendiary bombs, missiles, flamethrowers, etc. are not new to the military.

    14. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 4, Interesting

      The purpose of war is to shatter a social system that is harming our species and make space for something better. If your war is moral, the cruelty of your weapons is immaterial.

      Oh please.

      "War is diplomacy by other means." - Carl von Clausewitz

      There's nothing moral or immoral about waging war. It is one of many methods in which a country pursues it's strategic objectives in opposition to another country or organized group. The conduct by which war is fought is moral or immoral however, which includes the cruelty of your weapons. Weapons such as chemical weapons were banned specifically because they were indiscriminate and horrific in their effects. The exact opposite of what you just said is true.

    15. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 2, Insightful

      your right of course, obviously no testing has been done and you certainly sound like you're more knowledgeable then the many, many people i'm sure worked on this. Yes that's it, i'm sure there was never even a thought about the safety and security of the crew. /s

      jesus christ this place is a landfill opinions.

    16. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      If it was approved for use in an operational environment then a lot of people a lot smarter than you spent a lot more time than you ever will thinking about how to keep the sailors safe. But hey, typing out a quick slashdot comment is just as easy as uninformed speculation so knock yourself out.

    17. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      I see Punishment by Fire to be frowned on... not warfare by fire...

    18. Re:This might alienate anti-ISI* Muslims. by king+neckbeard · · Score: 1

      I don't see how this is more making war with fire than firearms.

      --
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    19. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      the USA has criticised other countries for imprisoning people without charges and trials, the USA is alright because they only do it in someone else's country

      I realize all of your verbal diarrhea is intended solely to vent the perverse feelings of a shithead, but locking up enemy combatants rather than killing them has been customary and essentially universal since way before your dumb ass was born.

      Or did you think all fliers who were shot down and parachuted over enemy territory in WW2 were formally charged, prosecuted, and convicted of ... what exactly ... participating in a declared war? Oh, that's so darling.

    20. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      That's because you're not a goddamned sand nigger. Their thinking is all ass backwards and generally fucked up. I mean yours is too, but in a non-sand nigger way.

    21. Re:This might alienate anti-ISI* Muslims. by Khashishi · · Score: 1

      Silly rabbit, laws of war don't apply to dealing with unlawful combatants.

      Also, lasers are fairly well collimated, so you'd have to aim directly at the person to blind them, and then I think they would have more problems than just blinding. You can also blind someone by shooting them in the eye with a gun, but for some reason it's ok as long as they have a good chance of dying outright.

    22. Re:This might alienate anti-ISI* Muslims. by joe_frisch · · Score: 1

      This could get sticky. The most effective property of the lasers may be that they blind, even though that isn't their stated function. Similarly to using white phosphorus against humans, the legality is debated.

      Everyone on a ship with the laser will need eye protection all the time. Crude metal corner cubes will be pretty effective and since the goal of the weapon is rapid response, the crew will need to always be ready, or they risk blinding their own people. It will have a really tough time burning through a 1/4" thick aluminum corner cube.

      Note - it isn't clear from the article whether the laser operates at a wavelength that is likely to cause blindness. Various hints suggest it is Nd (or maybe Yb) based which would be ~1um and is in a wavelength range that can easily cause blindness (it is focused by the eye). The powers required for blinding are dramatically lower then the power required to do physical damage, so its range as a blinding weapon (intentional or not) will be much longer than its range for physical damage. The risk of blinding bystanders from scatter may be significant.

      If it is ~1um micron wavelength the beam will be invisible and targets may not be aware of how they were damaged or blinded.

    23. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      One of the religious prohibitions in Islam is making war with fire.

      ...

      I'm sure those people who avoided being burned alive by leaping to their deaths from the World Trade Center wouldn't give a damn.

    24. Re:This might alienate anti-ISI* Muslims. by ShieldW0lf · · Score: 1

      Immorality destroys itself. That is what distinguishes it from morality, which sustains itself.

      Talking about why this nation makes war on that nation is irrelevant to the question of "What evolutionary advantage does war give to the human race.", which is the foundation of all morality.

      --
      -1 Uncomfortable Truth
    25. Re:This might alienate anti-ISI* Muslims. by aXis100 · · Score: 1

      Not true. At those powers, a reflection of any surface can be powerful enough to blind. There will be a lot of collateral damage.

      Just remember, lasers in the milliwatt range can do permanent damage and this thing is 30kW. It would only require 0.001% of the energy to be reflected - you can get that much off a black surface, let alone something shiny.

    26. Re:This might alienate anti-ISI* Muslims. by xaotikdesigns · · Score: 1

      Weapons whose purpose is to blind are banned. Weapons where the side effect is going blind are not. I can still put a laser on my gun to help me aim, but it's not going to get me in trouble if I blind someone while taking head shots. Likewise, if I shoot you in the face with a regular gun, and you are blinded, it's fine because the intent of the gun is not to blind.

      --
      XDInd
    27. Re:This might alienate anti-ISI* Muslims. by xaotikdesigns · · Score: 2

      I would imagine that if you shot the water, it would turn to steam. I doubt it would remain very reflective for long, or that it effectively would reflect much in the first place.

      --
      XDInd
    28. Re:This might alienate anti-ISI* Muslims. by xaotikdesigns · · Score: 2

      These types of weapons are generally mounted on the outside of the ship, and they fire outwards. They generally do not turn in or fire along the length of the ship, so the crew should be fine. Likewise, there typically aren't many bystanders while at sea.

      --
      XDInd
    29. Re:This might alienate anti-ISI* Muslims. by mjwx · · Score: 1

      One of the religious prohibitions in Islam is making war with fire.

      Has anyone explained to them how guns operate?

      or bombs and mortars?

      The first significant user of firearms in Europe were the Ottoman Empire (modern day Turkey) as hand held guns came in from Asia via the middle east.

      Then again a little hypocrisy in religion is nothing new. So I highly doubt it will have any effect on Muslims what so ever.

      --
      Calling someone a "hater" only means you can not rationally rebut their argument.
    30. Re:This might alienate anti-ISI* Muslims. by joe_frisch · · Score: 1

      I'm worried about a reflector on the target ship. If I were planning a terrorist attack on a US navy ship, after reading this, I'd mount an optical retro-reflectors. (though of course that makes you more radar-visible... The retroreflectors are a big hazard to crew on the firing ship. They don't need to be very good if you are just trying to blind, not do physical damage.

      The blinding problem is more an issue if the ship is in harbor somewhere. There is also the risk of a clever terrorist on a boat reflecting the beam toward a nearby (few kilometers) set of civilians - say a crowded beach.......

      Reasonable precautions can avoid these scenarios, but the precautions need to be taken very seriously. I don't want to hear that we accidentally blinded hundreds of innocent families on a beach somewhere.....

      (I just hope that the US realizes the risk before the terrorists recognize the opportunity). Otherwise I wouldn't even post ideas like this on a public board.

    31. Re:This might alienate anti-ISI* Muslims. by mjwx · · Score: 3, Interesting

      The purpose of war is to shatter a social system that is harming our species and make space for something better.

      This is about the silliest thing I've read all year... And it has a lot of competition.

      The purpose of war is to gain land, money or power. Ultimately it comes down to power as money and land are just methods to get it. Even the enforcement of an ideology is to get more power for those who control or benefit from that ideology being enforced. No religious war has ever been waged to benefit god, men have always been the primary and intended beneficiaries.

      If your war is moral, the cruelty of your weapons is immaterial.

      OK, now this is the silliest thing I've read all year. At least your consistent.

      When men decide that all means are necessary to fight an evil, then their good becomes indistinguishable from the evil that they set out to destroy.

      You're essentially saying that any method can be defended by the outcome. The wholesale slaughter of civilians with chemical and biological weapons is just and moral?

      Sorry, but the people who were exposed to such things long ago decided that in order for a conflict to remain moral, such weapons and tactics should not be permitted. What makes a side in a conflict moral is not just why the conflict is fought, but how it is fought. You cannot keep moral intentions if your actions are immoral.

      --
      Calling someone a "hater" only means you can not rationally rebut their argument.
    32. Re: This might alienate anti-ISI* Muslims. by xaotikdesigns · · Score: 1

      It's going to take more than a bathroom mirror to reflect the beam, so I don't think we need to worry about terrorists doing so. Likewise, there are still plenty of conventional weapons on board to take care of a mirrored craft.

      --
      XDInd
    33. Re: This might alienate anti-ISI* Muslims. by joe_frisch · · Score: 1

      A modestly shiny piece of metal will do quite a good job of reflecting. You won't get a coherent beam but a diffuse spot that will still blind at a long distance. think of the sun reflecting off of a modestly well polished metal surface. Something you could easily get with a buffing wheel.

      Or for more humor value - a disco ball......

    34. Re:This might alienate anti-ISI* Muslims. by Harlequin80 · · Score: 2

      A reflector will become seriously non reflective very very quickly. Mirrors don't reflect 100% of the energy, otherwise every hall of mirrors in the world would be unbearably bright.

      So if you do manage to get something reflective in the path of the laser the amount of energy it will absorb rather than reflect will have two effects. One it will cause the reflector to ablate and become useless, the second is it will absorb so much energy that the resultant laser reflections will have been robbed of most of its power.

      Also I don't see these types of weapons as something that is used to target another ship. There are far more effective weapons than that already in service (ie ships don't move that fast so harpoon missiles are probably more effective). It would however make an excellent point defence system. Basically if you can track it you can hit it. Include 4-5 of these in a carrier group and your ability to stop incoming missles from taking out your carrier just went up a mile.

    35. Re:This might alienate anti-ISI* Muslims. by joe_frisch · · Score: 1

      The only demo I saw of one of these was against a small boat.

      Missiles might be a valid target, but they could be designed to be very laser resistant - picture a reentry shield......

      I don't really see much use for these anyway - "won't work in rain and fog" is a pretty big problem.

    36. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 2, Insightful

      That's a childish and superficial philosophy. You haven't thought it through, can't support it, and make no effort to live by it.

    37. Re:This might alienate anti-ISI* Muslims. by Harlequin80 · · Score: 1

      Missiles are right on the border line of blowing up in flight already. At the moment speed is the key thing to get you past other point defence systems. Any laser counter measures that are added will inevitable increase weight or reduce payload. If you reduce speed then the existing vulcans are more likely to hit it.

      Also you wouldn't mount the lasers on the the ship you were trying to protect. They would be on the surrounding ships. So the laser can hit the control surfaces or even the engine. All you need to do is get it to miss, not destroy it outright so overheating the engine, changing the burn rate or melting a control fin will suffice.

    38. Re:This might alienate anti-ISI* Muslims. by budgenator · · Score: 1

      The prohibition only applies to weapons that are designed to blind the naked eye as a primary purpose, not to weapons where blinding is collateral damage. It is even permissable to lase optical systems that would blind a human looking through the system.

      --
      Apocalypse Cancelled, Sorry, No Ticket Refunds
    39. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      Maybe you want to read the recent cia senate report and come back and post again?

      Locking them up is customary but Torturing them is not, see the geneva convention.

    40. Re:This might alienate anti-ISI* Muslims. by cascadingstylesheet · · Score: 1

      The purpose of war is to shatter a social system that is harming our species and make space for something better.

      Said every genocidal dictator ever.

    41. Re:This might alienate anti-ISI* Muslims. by cheesybagel · · Score: 1

      Oh really? They seemed to be fine using flamethrowers in the Crusades. They used siphons with naphtha in combat.

    42. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      (I just hope that the US realizes the risk before the terrorists recognize the opportunity). Otherwise I wouldn't even post ideas like this on a public board.

      You're actually entertaining the possibility that there's a Slashdot-reading terrorist who's trying to think of a way to defend himself against a laser weapon, yet never had the word "mirror" cross his mind until he found your specific post.

      This in spite of the fact that every single story on this topic is flooded with comments by armchair engineers who screech "Put a mirror on it!" and think they've cleverly undone thousands of hours of work by a legion of people much smarter than themselves.

    43. Re:This might alienate anti-ISI* Muslims. by FlyHelicopters · · Score: 2

      When men decide that all means are necessary to fight an evil, then their good becomes indistinguishable from the evil that they set out to destroy.

      From your point of view, yes... what happens when the other side doesn't agree with you?

      You're essentially saying that any method can be defended by the outcome. The wholesale slaughter of civilians with chemical and biological weapons is just and moral?

      It could be, if that is the moral point of view of those doing it. "moral" and "immoral" are not absolute terms.

      Sorry, but the people who were exposed to such things long ago decided that in order for a conflict to remain moral, such weapons and tactics should not be permitted. What makes a side in a conflict moral is not just why the conflict is fought, but how it is fought. You cannot keep moral intentions if your actions are immoral.

      We used nuclear weapons against Japan, and I consider that to be a quite moral act, it saved far more lives than it took. What Japan was doing was immoral, and had to be stopped, no matter the cost. Germany too...

      Frankly, had we been willing to use nuclear weapons in Afghanistan 10 years ago, back when Bin Laden was hiding in Tora Bora, this whole nonsense might have been over long ago. The radicals that we're fighting don't respect western values, they think that we are weak. They do respect power, and there is something to be said for the power of a nuclear weapon.

      Yes, yes, they are terrible and horrible and the end of the world... no, they really aren't... thousands of them have been set off over the years, 5 more wouldn't make much of a difference, other than to impress on our enemy that they can either join our way of life and point of view, or be exterminated.

      Just like Japan... who ultimately made the choice to join us, rather than face extinction.

    44. Re: This might alienate anti-ISI* Muslims. by mordjah · · Score: 1

      lol! oh god for a mod point..

      --
      "A mind reader? That sounds like sci fi." "Honey, we live on a space ship"
    45. Re:This might alienate anti-ISI* Muslims. by clovis · · Score: 1

      One of the religious prohibitions in Islam is making war with fire.

      If this is used it will be interesting to see the effects on recruiting by the Islamic State and other anti-US organizations among those Muslims who are currently either opposed to them or unaligned.

      Also: How do you keep a 30 kW laser, at any frequency, from blinding everybody in the general direction of the target? The last I heard, weapons that blind are banned by the current "laws of war" as recognized by the western powers - and that's been the major impeidment so far to deploying laser (and other directed energy) weapons. Has something changed? Or did the current administration just decide to play with the new toy despite past promises to the other kids?

      Re ban on blinding weapons. Here's the Geneva Conventional protocol on Blinding Weapons:
      https://www.icrc.org/ihl/INTRO...
      Article 3:
      Blinding as an incidental or collateral effect of the legitimate military employment of laser systems, including laser systems used against optical equipment, is not covered by the prohibition of this Protocol.

    46. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      Torture is also banned by the current "laws of war".

      We just don't bother with those laws.

      Are you talking about the Geneva Conventions?
      No. it is only prohibited to torture uniformed soldiers of a conventional army and non-combatant civilians.
      As for non-uniformed combatants, (civilian snipers, roadside bombers, etc) you can do anything to them.

    47. Re:This might alienate anti-ISI* Muslims. by Hey+Bud+- · · Score: 0

      I'm waiting to see jihadis disappear in puffs of smoke when a laser hits them from an overhead aircraft or satellite. Allah won't save them. He doesn't like muslims anyway. After listening to the din from all the praying 5 times a day for 1400 years, he's really ready for some quiet time.

    48. Re:This might alienate anti-ISI* Muslims. by tsotha · · Score: 1

      Though, really, rules concerning the appropriate way to make war are just another example of a cartel colluding to protect their monopoly on the use of deadly force by raising the bar of entry.

      Eh... no. The rules are there to ban the use of weapons which are low on utility but high on pain and suffering. Gas, mostly. The poor man's deadly force is still RDX and its children.

    49. Re:This might alienate anti-ISI* Muslims. by durin · · Score: 1

      I suppose you mean combatants who do not qualify for POW status, in which case you are wrong. GC art 3 states that they should be "treated humanely" and given sentences by a regularly constituted court.
      Thus, you can't "do anything to them".

      --
      Why, yes! I AM new here.
    50. Re:This might alienate anti-ISI* Muslims. by gl4ss · · Score: 1

      it doesn't blind in the general direction of the target...
      besides, the blinding is accidental by product.

      also, it's not "fire". just like bombs are not "fire" and using a fire to make swords is not "making war with fire". So I think they only mean some shit like a forest fire. they don't have any forests anymore soo..

      --
      world was created 5 seconds before this post as it is.
    51. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      They already use explosives and rocketry so I think they give that religious prohibition about as much attention as US Christians do to the ones against mixed fabrics. Couldn't one argue even firearms would be prohibited by it but that has been ignored since Janissary days.

    52. Re: This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      Technology development comes mainly from war. That should be reason enough. Conflict forces evolution, cooperation leads to stagnation. Don't like it? Too bad. That's the way it is. Now go cry in a corner.

    53. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      jesus christ this place is a landfill opinions.

      It is but even the complete insane opinions on Slashdot tend to be much better then the ones posted on Ars and co.
      I am beginning to think that this may be the only reason this site is still kicking.

    54. Re:This might alienate anti-ISI* Muslims. by Neil+Boekend · · Score: 1

      You are reading it wrong. The laws of war prohibit using weapons with the purpose of blinding. The purpose of this is blowing stuff up.

      Article 3
      Blinding as an incidental or collateral effect of the legitimate military employment of laser systems, including laser systems used against optical equipment, is not covered by the prohibition of this Protocol.

      --
      Well, I might have a way, but it only works on a semi spherical planet in a vacuum.
    55. Re:This might alienate anti-ISI* Muslims. by Neil+Boekend · · Score: 1

      raising the bar of entry

      Not really. Countries that haven't signed the treaties aren't officially bound by them.
      See it more as a formalization of what was thought to be just wrong. The countries that signed it formally declare that they aren't going to use it anymore.

      In practice it is used as a handle to allow an incursion if these weapons are used. Even when the user hasn't signed the treaty.
      And I don't think that is wrong. Most weapons on that list (biological, chemical, incendiary and mines) are not specific. They can't see the difference between an aggressor and a civilian.
      The other two weapons (blinding and traceless) are because they are wrong in other ways. I don't feel as strong about them but apparently the people in Geneva did.
      The last part binds the parties to clear up their mess. In Vietnam people still die of the unexploded ordinance the US left there.

      If your war is moral, the cruelty of your weapons is immaterial.

      One man's freedom fighter is an other man's terrorist.
      The one who starts the war always feels he is moral. The one who is attacked always feels the attacker is not moral.
      Morality is not as black and white as it feels. There are always shades of grey.
      In the end the winner turns out to be moral and the loser turns out to be immoral. Not by an absolute difference in morality but because the winners get to write history. They tend to "forget" the parts where they were wrong. Did you know the US got into the 2nd world war because the Germans were attacking trade ships? They probably didn't like the genocide but trade was the straw that broke the heavily armed camel's back. Nowadays everybody seems to believe they helped because what Germany was doing was wrong. That is what writing history does.

      --
      Well, I might have a way, but it only works on a semi spherical planet in a vacuum.
    56. Re:This might alienate anti-ISI* Muslims. by Neil+Boekend · · Score: 1

      The treaty just doesn't define properly what torture is. This allowed the US to define it the way they did. And they didn't choose a reasonable definition.
      According to that they do not torture.
      Whether that holds up in any war tribunal will probably never be tested because the US is too mighty. They count on that.

      --
      Well, I might have a way, but it only works on a semi spherical planet in a vacuum.
    57. Re:This might alienate anti-ISI* Muslims. by Neil+Boekend · · Score: 1

      And those are illegal to countries who signed the Geneva Convention.

      --
      Well, I might have a way, but it only works on a semi spherical planet in a vacuum.
    58. Re:This might alienate anti-ISI* Muslims. by Archtech · · Score: 1

      "There's nothing moral or immoral about waging war".

      As that is a value judgment, I shall not say that it is incorrect. It does differ sharply, however, from all international and national laws and norms. Wikipedia puts it simply:

      'The International Military Tribunal at Nuremberg, which followed World War II, called the waging of aggressive war "essentially an evil thing...to initiate a war of aggression...is not only an international crime; it is the supreme international crime, differing only from other war crimes in that it contains within itself the accumulated evil of the whole."'

      --
      I am sure that there are many other solipsists out there.
    59. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      They were actually treated as prisoners of war. They were not tortured. They were traded to opposing sides prisoners.

      Calling guantamo torture victims "combatants" doesn't really help. If they are prisoners of war you should treat them as such, if not, then they are criminals and should get proper treatment (fair trials etc.) as such. It's fucking ridiculous to blame other parties of the things you do yourself all the time. "They decapitata people with no trials!". Well, yes, I'd choose decapitation any day over torture. If I had to choose a side I would still choose america. But recent news have surely narrowed that gap. I mean, I wouldn't fight for a country that tortures it's own citizens with the blessing of it's highest leaders.

    60. Re:This might alienate anti-ISI* Muslims. by AmiMoJo · · Score: 1

      The only acceptable purpose for war is defence. Under international law countries cannot use military force for any purpose other than defence, and when they win they must return everything to how it was before rather than trying to grab land from their opponent. A war of aggression is illegal, and those starting one can be tried for war crimes.

      --
      const int one = 65536; (Silvermoon, Texture.cs)
      SJW, n: "Someone I don't like, and by the way I'm a fuckwit" - AC
    61. Re:This might alienate anti-ISI* Muslims. by SuiteSisterMary · · Score: 1

      That just means they keep the ballistic CIWS type setups along side the lasers. "Sir, we've got another disco zodiac inbound." "Seriously? Fine. Spin up the R2, and put Disco Inferno on the 1MC."

      --
      Vintage computer games and RPG books available. Email me if you're interested.
    62. Re:This might alienate anti-ISI* Muslims. by Malc · · Score: 1

      Yeah really. And we should have a secret spy agency that doesn't ponce around but just tortures people to get answers.

    63. Re:This might alienate anti-ISI* Muslims. by coofercat · · Score: 1

      Would you be able to put up a lens instead? Potentially you could just widen the beam, or refract it somewhere else... Clearly, not practical on a missile, but if they were aiming it at your boat, you might be able to do something, I guess...?

    64. Re:This might alienate anti-ISI* Muslims. by Harlequin80 · · Score: 1

      Probably theoretically it's possible. However reality I'd say not. You would have to predict the path of the laser to do it. And given it's ship mounted you have a lot of movement to take into consideration.

      Honestly I would suggest a form of chaff is probably the most effective way of preventing laser strikes from any distance. If you knew where the laser was going to come from a screen of relatively heavy particles between you and the source will probably stop it delivering enough energy. In particular if your material would refract a % before vaporising.

    65. Re: This might alienate anti-ISI* Muslims. by hink · · Score: 1

      The surface of your "moderately shiny" metal will not stay shiny when subjected to the energy level we are talking about here. Just Google for videos of small-scale cutting lasers. This is FAR from the energy level of sunlight reflecting off a shiny car hood.
      Or watch this video of a 500W laser cutting into a sheet "moderately shiny" metal.

      --
      - speaking only for myself, as always
    66. Re: This might alienate anti-ISI* Muslims. by Triklyn · · Score: 1

      :) i gave all mine to support bashing hasselton.

    67. Re:This might alienate anti-ISI* Muslims. by seven+of+five · · Score: 1

      Also: How do you keep a 30 kW laser, at any frequency, from blinding everybody in the general direction of the target?

      Some of these things work in IR so scattered/reflected light might burn your head off but it won't blind anybody.

    68. Re:This might alienate anti-ISI* Muslims. by sociocapitalist · · Score: 1

      One of the religious prohibitions in Islam is making war with fire.

      If this is used it will be interesting to see the effects on recruiting by the Islamic State and other anti-US organizations among those Muslims who are currently either opposed to them or unaligned.

      Also: How do you keep a 30 kW laser, at any frequency, from blinding everybody in the general direction of the target? The last I heard, weapons that blind are banned by the current "laws of war" as recognized by the western powers - and that's been the major impeidment so far to deploying laser (and other directed energy) weapons. Has something changed? Or did the current administration just decide to play with the new toy despite past promises to the other kids?

      There's fire in exploding gunpowder or explosives already so I doubt this would be any more forbidden.

      "Blinding as an incidental or collateral effect of the legitimate military employment of laser systems, including laser systems used against optical equipment, is not covered by the prohibition of this Protocol."
      http://en.wikipedia.org/wiki/P...

      --
      blindly antisocialist = antisocial
    69. Re:This might alienate anti-ISI* Muslims. by ShieldW0lf · · Score: 1

      That's a childish and superficial philosophy. You haven't thought it through, can't support it, and make no effort to live by it.

      If you jump off a bridge, and you die, you deserved it.
       
      Similarly, if you start a bank, you will trick people into giving you power, and eventually they will catch you, elevate a man whose only distinguishing characteristics are eloquence and anger, and cut off your head with a guillotine or put you in a gas chamber.

      Both of these scenarios have a predictable outcome, and therefore, both of these men deserve to die.

      All morality is of this nature. Sometimes you need a subtle eye to see the self-destructive nature of what you're doing, sometimes it's as obvious as walking off a cliff. But you always deserve what happens to you.

      --
      -1 Uncomfortable Truth
    70. Re:This might alienate anti-ISI* Muslims. by bluegutang · · Score: 1

      The purpose of war is to shatter a social system that is harming our species and make space for something better. If your war is moral, the cruelty of your weapons is immaterial.

      If you can shatter that "social system" while causing a larger or smaller amount of damage to human beings in the process, it's of course morally preferable to cause the smaller number.

      For that reason, most "laws of war" are designed to outlaw methods and weapons that cause an unnecessarily high amount of human suffering relative to the resulting military gain.

    71. Re:This might alienate anti-ISI* Muslims. by Hognoxious · · Score: 1

      It specifically says, twice, aggressive war.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    72. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      legality is EXACTLY as much as others will let you do. International law is feckless.

      "oh it's illegal, oh it's illegal," who's going to stop me? you?

      who controls crimea again?

    73. Re:This might alienate anti-ISI* Muslims. by Triklyn · · Score: 1

      .... they were attacking trade ships that were participating in the lend-lease act.

      basically "lending" material support to the allies in return for leases of military bases in allied territory.

      the very act was an end-run around acts designed to enforce US neutrality. It was put into place because the british ran out of money to pay for the goods we were already giving them... and you know, we didn't want them to lose the war, so we loaned them money to buy our weapons which we never collected on.

    74. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      One of the religious prohibitions in Islam is making war with fire.

      Are you sure? I'm always reading news stories about Muslims firebombing things. A quick Yahoo search brings up:

      http://shariaunveiled.wordpress.com/tag/muslims-fire-bomb-two-christian-churches-in-indonesia/
      http://www.jihadwatch.org/2014/08/nigeria-muslims-shoot-fire-bomb-slash-men-women-and-children-murder-at-least-100-in-christian-town
      http://www.jihadwatch.org/2010/01/muslims-fire-bomb-malaysian-church-for-using-the-word-allah
      http://www.thegatewaypundit.com/2014/11/muslims-firebomb-kosher-restaurant-in-paris/

      Captcha = groaner

    75. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      I suppose you mean combatants who do not qualify for POW status, in which case you are wrong. GC art 3 states that they should be "treated humanely" and given sentences by a regularly constituted court.
      Thus, you can't "do anything to them".

      AC you responded to here.
      You are correct, I grossly exaggerated.
      All combatants must be treated as POW until they get a trial to define their status. After that, if they are determined to not fall into the protected class of combatants (spies, civilian snipers, etc) they get none of the protections accorded to POWs, but their sentence must be determined by a trial of an established court or competent tribunal.
      The Geneva conventions, as far as I can tell, does not place restrictions upon the sentences that may be given to non-protected persons.

    76. Re:This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      You have proven me right; you haven't thought this through. If you had, you wouldn't have said these things:

      If you jump off a bridge, and you die, you deserved it.

      What if you survive? Do you deserve to live then? If you're completely unharmed due to some quirk of physics, do you deserve that? If you become famous from your act, and you leverage that fame into great wealth and power, do you deserve the wealth and power by virtue of the fact that you jumped off of a bridge? And if so, why do you deserve wealth and power when the other guy who jumped deserved to die for doing exactly the same thing you did?

      You cannot and will not answer that intelligently.

      Similarly, if you start a bank, you will trick people into giving you power, and eventually they will catch you, elevate a man whose only distinguishing characteristics are eloquence and anger, and cut off your head with a guillotine or put you in a gas chamber.

      Bankers are not regularly executed by roving lynch mobs. It therefore isn't the "predictable" outcome you want it to be, and can't be justified even by the philosophy you contrived for the very purpose of doing so.

      However, as you explicitly stated, gaining power is the natural and expected result of starting that bank. Therefore, according to you, the banker deserves all that wealth, and the people he supposedly tricked into giving it to him deserved to lose it.

      So that's how pathetic and stupid you are - you set out to invent your own little system of morality whose sole purpose was to let you justify the grade-school-level revenge fantasies you hold about the mortage broker you want to blame for losing that house you bought and couldn't afford, but you're so incompetent that you instead made one that makes him the hero, and yourself the worthless scumbag who got his just desserts.

      But buck up, kiddo. This means that for once, the fact that every ill-considered word that dribbles out of your mouth is useless garbage has worked out in your favor.

    77. Re:This might alienate anti-ISI* Muslims. by rtb61 · · Score: 1

      Erm, yeah right because of depleted uranium rounds and agent orange and using personal as lab rats in nuclear bomb tests and, well, you get the gist, where there's a profit in it for the military industrial complex. Safety and security often take a back seat, so far back in fact, when the military bus takes off they often get left way behind but yeah keep believing the military industrial complex public relations double speak for which they are truly well known.

      --
      Chaos - everything, everywhere, everywhen
    78. Re:This might alienate anti-ISI* Muslims. by jcsalomon · · Score: 1

      The last I heard, weapons that blind are banned by the current "laws of war" as recognized by the western powers - and that's been the major impeidment so far to deploying laser (and other directed energy) weapons.

      A laser that makes someone permanently blind is forbidden. A laser that makes a pilot temporarily blind, so that he crashes and becomes permanently dead, is OK.

    79. Re: This might alienate anti-ISI* Muslims. by Anonymous Coward · · Score: 0

      Heard of Hitler? Prince Philip the Fair?

  6. Shark-mounted laser by Anonymous Coward · · Score: 5, Funny

    Why make the laser smaller when you can make the shark bigger?

  7. I just want to know by Anonymous Coward · · Score: 0

    Where the rave will be with 30 kilowatt lasers! Seriously it needs to be tested with Sandstorm by Darude! ;-)

  8. What Type Of "Laser"? by Freshly+Exhumed · · Score: 2

    Is it the kind of continuous beam that sounds like it is activated by an industrial elevator servo and emits a high-pitched screech even in space, or is it the kind that goes in segmented little blasts that go ptew ptew ptew and bounce off of bulkheads with little sparks?

    --
    I deny that I have not avoided attaining the opposite of that which I do not want.
  9. Does the FAA now about this? by dfn5 · · Score: 4, Funny

    Navy faces fine for pointing laser at aircraft.

    --
    -- Thou hast strayed far from the path of the Avatar.
    1. Re:Does the FAA now about this? by The+Grim+Reefer · · Score: 1

      Navy faces fine for pointing laser at aircraft.

      Good luck collecting. But I'm sure they'll have a good laugh.

      I wonder what fraction of a second it will take for a 30 kilowatt laser to vaporize the paper it's written on.

  10. Finally we close the Shark Gap by xxxJonBoyxxx · · Score: 1

    >> U.S. Navy has declared a "laz-er" ...an operational asset and ...has given permission for the commander of the ship to defend itself with the weapon

    Today, we finally begin to close the Shark Gap.

    1. Re: Finally we close the Shark Gap by Anonymous Coward · · Score: 0

      My scuba buddies and i shop there.

    2. Re:Finally we close the Shark Gap by Anonymous Coward · · Score: 0

      This still leaves the Sea Bass Gap wide open!

  11. This has to be a milestone in warfare by Anonymous Coward · · Score: 0

    This has to be a milestone in warfare, right up there with the gun, or bow and arrow.

    1. Re:This has to be a milestone in warfare by sexconker · · Score: 1

      This has to be a milestone in warfare, right up there with the gun, or bow and arrow.

      Uh, why?
      The practicality of early designs isn't the issue - just as early guns were inferior to bows yet rapidly improved, lasers suck now and will get better.
      The issue is the physics of the matter. Lasers may be very precise but they're very easy to counter (add some reflective bits) and they require a lot of energy per damage done. Ejecting mass at velocity requires much less energy per damage done and we've gotten very good at getting guns and other ballistic systems to be incredibly precise. And this makes sense when you consider the extremely energy-dense nature of mass.

      In terms of payload, mass at velocity is very effective. Why waste energy and effort designing systems to bundle energy and deliver it to a target when we already have extremely-densely bundled energy in mass? Laser installations will have uses beyond targeting, but soldiers with super pew pew rifles compared to soldiers with M16s isn't anything like bows and arrows vs clubs or rifle vs bows & arrows.

    2. Re:This has to be a milestone in warfare by Dutch+Gun · · Score: 1

      There are a few significant advantages I can think of for lasers off-hand. Near perfect accuracy with any line of sight to the target is essentially assured. That is, if you can see the target, you can hit it. That's extremely important for fast, inbound targets like anti-ship missiles, in which you may only get one real shot at it. The speed of the laser assures that the inbound target will be hit as far away from the ship as possible. Additionally, there are no limitations of ammunition - it doesn't have to be stored and it can't run out. The only limitation is the power requirements, presumably generated by the ship itself.

      You're probably underestimating the difficulty of making targets perfectly reflective enough to actually deflect a high powered laser beam. You're not going to be able to coat flight surfaces with optics-grade mirrors easily - low grade mirrored surfaces would likely be all but worthless as defense in actual practice, especially since they'd need to protect equally against all viable laser weapon frequencies. Moreover, warplanes and drones would not be good candidates for being covered with highly reflective surfaces for rather obvious reasons.

      I don't think the Navy is reckless enough to replace all weapons with lasers, especially early in their life cycle while they're still unproven. Even though current warplanes have guided missiles, most still also carry guns or cannons as well. The military is pretty big on defense-in-depth, since all different weapons types have advantages and disadvantages. Lasers are no different. Downsides are degraded capabilities in poor conditions, less power on target then bullets or chemical explosives, and probably a few others.

      --
      Irony: Agile development has too much intertia to be abandoned now.
    3. Re:This has to be a milestone in warfare by Harlequin80 · · Score: 1

      Absolutely agree. Where I see lasers being useful is in point defence. The tracking speed and their "instahit" nature make them excellent for shooting down incoming missiles.

      If they can get the weapon manoeuvrable enough and have a fast enough rate of fire expect to see these deployed around carrier groups.

      I still think we are more than a few years away from GDI's Ion Cannon.

  12. Re:Does the FAA know about this? by xxxJonBoyxxx · · Score: 2

    >> Does the FAA know about this?

    They probably would after the fried plane drops into the sea.

  13. It may be Ok to shoot unarmed people by mi · · Score: 1

    oh wait its OK for white cops to shoot unarmed black teens

    Michael Brown attacked a policeman, who confronted him. The officer was perfectly justified in killing the thug.

    That Michael Brown was "unarmed" is irrelevant. Similarly, it would've been perfectly Ok — by all ethics standards — for owners of all the looted stores (and burned cars) to shoot the attackers, whether or not the looters were armed.

    they [USA] are in reality no better than Russia, China, Cuba

    We are better if only because the things you listed raise eyebrows here. For Russia, China, or Cuba they are perfectly normal.

    Please, don't hate.

    --
    In Soviet Washington the swamp drains you.
    1. Re:It may be Ok to shoot unarmed people by Anonymous Coward · · Score: 0

      "We are better if only because the things you listed raise eyebrows here. For Russia, China, or Cuba they are perfectly normal."

      Damn if people knew it raised eyebrows then they would feel safe, this certainly out ranks the British approach of send a stern letter.

      http://en.wikipedia.org/wiki/List_of_killings_by_law_enforcement_officers_in_the_United_States
      "The lists below are incomplete, as the annual average number of justifiable homicides alone is estimated to be near 400.[1] Although Congress instructed the Attorney General in 1994 to compile and publish annual statistics on police use of excessive force, this was never carried out, and the FBI does not collect these data either.[2]"

      So, no one actually KNOWS how many people are shot by police each year, that showing the world how serious you take such things raised eyebrows and all.

    2. Re:It may be Ok to shoot unarmed people by Archtech · · Score: 1

      It never ceases to astonish me how some Slashdotters, who usually seem fairly intelligent and rational, say things like this whenever the discussion turns to politics.

      I blame the influence of Hollywood and violent TV. Maybe the actual sight (and smell) of a few real dead and injured people would do you a world of good, and bring your strange thoughts closer to reality.

      --
      I am sure that there are many other solipsists out there.
    3. Re:It may be Ok to shoot unarmed people by mi · · Score: 1

      the annual average number of justifiable homicides alone is estimated to be near 400

      As long as they are justifiable, it may as well be 4000. 400 per year is infinitesimal for a nation of over 300 million people. For comparison, we have over 30000 traffic deaths here every year...

      that showing the world how serious you take such things raised eyebrows and all.

      Now find me even this much data for Russia, Cuba, China...

      --
      In Soviet Washington the swamp drains you.
    4. Re:It may be Ok to shoot unarmed people by mi · · Score: 1

      Maybe the actual sight (and smell) of a few real dead and injured people would do you a world of good

      Are you trying to say, you disagree that some people are better off dead?

      Or just that robbers, who don't think twice about attacking policemen, aren't among them? Could you put forth an actual point, that is, instead of lamenting the sorry state of affairs in general?

      --
      In Soviet Washington the swamp drains you.
    5. Re:It may be Ok to shoot unarmed people by Anonymous Coward · · Score: 0

      probably less. the people there know not to fuck with anybody in power.

      why shoot someone, when you can just make them disappear with a word?

      gulagging is probably a thing.

  14. Re:Testing was a success by Anonymous Coward · · Score: 0

    Didn't you see it in James Bond: GoldeEye?

    Goldeneye was a Magic Directed/Focused Electromagnetic Pulse weapon, not a laser. I thought that was obvious.

  15. I'll wait by Anonymous Coward · · Score: 0

    I'll wait until the light sabers are operational.

  16. well copper is back. by Anonymous Coward · · Score: 0

    How about the copper. Just copper back metal surfaces and you have a nice thermal dissipation... :)

  17. To your 2nd question by s.petry · · Score: 3, Informative

    The last I heard, weapons that blind are banned by the current "laws of war" as recognized by the western powers - and that's been the major impeidment so far to deploying laser (and other directed energy) weapons. Has something changed? Or did the current administration just decide to play with the new toy despite past promises to the other kids?

    The US does not honor International Law on banned weapons, nor does any other country in reality. Weapons that are "banned" are normally relabeled to make them look good, but does not change what they are. As long as you are on the winning side who is going to prosecute you? As a prime example, cluster bombs are against the law yet the main artillery round of the MLRS fires a warhead packed with 1001 "grenadelets". See that? By renaming "cluster bomb" to be "grenadelets" you have not broken the law. Firing a weapon at a "person" with a round of .50 caliber or higher is illegal by international law. The main sniper rifle used by all troops in the Middle East has become a.50 caliber, and look at the video of the Reuters reporter killed by the 30MM chain gun on an Apache.

    Countries today use what they think they can get away with, and in the case of Western countries that is quite a lot. Look at all the depleted uranium dumped in the middle east causing serious health problems for over a decade.

    --

    -The wise argue that there are few absolutes, the fool argues that there are no probabilities.

    1. Re:To your 2nd question by Anonymous Coward · · Score: 0

      The last I heard, weapons that blind are banned by the current "laws of war" as recognized by the western powers - and that's been the major impeidment so far to deploying laser (and other directed energy) weapons. Has something changed? Or did the current administration just decide to play with the new toy despite past promises to the other kids?

      The US does not honor International Law on banned weapons, nor does any other country in reality. Weapons that are "banned" are normally relabeled to make them look good, but does not change what they are. As long as you are on the winning side who is going to prosecute you? As a prime example, cluster bombs are against the law yet the main artillery round of the MLRS fires a warhead packed with 1001 "grenadelets". See that? By renaming "cluster bomb" to be "grenadelets" you have not broken the law. Firing a weapon at a "person" with a round of .50 caliber or higher is illegal by international law. The main sniper rifle used by all troops in the Middle East has become a.50 caliber, and look at the video of the Reuters reporter killed by the 30MM chain gun on an Apache.

      Countries today use what they think they can get away with, and in the case of Western countries that is quite a lot. Look at all the depleted uranium dumped in the middle east causing serious health problems for over a decade.

      You are quoting myths regarding allowable weapons.
      There is a ban upon using small-caliber exploding rounds against personnel, but the .50 is a myth.
      Here are the various Conventions (Geneva):
      https://www.icrc.org/applic/ih...

    2. Re:To your 2nd question by Anonymous Coward · · Score: 0

      You are quoting myths regarding allowable weapons.
      There is a ban upon using small-caliber exploding rounds against personnel, but the .50 is a myth.
      Here are the various Conventions (Geneva):
      https://www.icrc.org/applic/ih... [icrc.org]

      Also, I forgot to mention, the cluster bomb ban only applies to devices deployed from aircraft, so the MLRS isn't covered.

    3. Re:To your 2nd question by Archtech · · Score: 1

      " As long as you are on the winning side who is going to prosecute you?"

      Exactly. Nicely put.

      --
      I am sure that there are many other solipsists out there.
    4. Re:To your 2nd question by s.petry · · Score: 1

      Provide the exact links to what you are referring to and I'll give them a read, I'm not searching through the links to 'everything' that you provided and taking you at your word. Having served in the Military we were trained to say "I was shooting at gear" if anyone was killed by a .50 caliber round. Yet a 7.62mm round required no such justification.

      --

      -The wise argue that there are few absolutes, the fool argues that there are no probabilities.

    5. Re: To your 2nd question by Anonymous Coward · · Score: 0

      You were trained that way because your trainers were scum who wanted to desensitise you and train you to commit war crimes by telling you that you and everyone else were already doing so.

      At least in the US, your duty would have been to report your trainer to the appropriate authorities in the chain of command.

    6. Re:To your 2nd question by Anonymous Coward · · Score: 0

      Firing a weapon at a "person" with a round of .50 caliber or higher is illegal by international law. The main sniper rifle used by all troops in the Middle East has become a.50 caliber, and look at the video of the Reuters reporter killed by the 30MM chain gun on an Apache.

      Straight up lie. http://en.wikipedia.org/wiki/Small_arms

      It is illegal to modify ammunition to cause suffering.
      It has NEVER been illegal to shoot a person with a .50 BMG. This myth is perpetuated by non-military personnel. Oh, the .50 is considered small arms

      When asked if the .50 is illegal to shoot people with, the drill instructors would joke "shoot his equipment or canteen!"

      Former Combat Engineer

    7. Re:To your 2nd question by Anonymous Coward · · Score: 0

      Provide the exact links to what you are referring to and I'll give them a read, I'm not searching through the links to 'everything' that you provided and taking you at your word. Having served in the Military we were trained to say "I was shooting at gear" if anyone was killed by a .50 caliber round. Yet a 7.62mm round required no such justification.

      Whoever told you about the .50 cal restrictions was wrong.
      I cannot give you a link to something that does not exist.
      Some people confuse the USA's rules of engagement with the Geneva protocols on the conduct of warfare. They're not the same and people get the R.O.E. wrong as well. However, the "no .50 cal against persons" isn't in US ROE ether. It's something that people heard, but you didn't see it on the ROE card they gave you.

      Here's cluster munitions.
      General Convention on cluster munitions
      https://www.icrc.org/applic/ih...

      copy/paste from above link:
      General obligations and scope of application

      1. Each State Party undertakes never under any circumstances to:
      (a) Use cluster munitions;
      (b) Develop, produce, otherwise acquire, stockpile, retain or transfer to anyone, directly or indirectly, cluster munitions;
      (c) Assist, encourage or induce anyone to engage in any activity prohibited to a State Party under this Convention.

      2. Paragraph 1 of this Article applies, mutatis mutandis, to explosive bomblets that are specifically designed to be dispersed or released from dispensers affixed to aircraft.

      3. This Convention does not apply to mines.

      Regarding 30MM chain guns.
      Using explosive rounds in rounds of less than 400 grams was banned by the St Petersburg Declaration of 1868. The St Petersburg declaration is widely considered obsolete. Due to the need for explosive rounds in anti-aircraft autocannons and heavy machine guns, and exception was made in the Hague convention of 1923 for aerial warfare.
      This link contains modern practice among the countries and explanation which may cover the cases you're interested in.
      https://www.icrc.org/customary...

      Although anti-personnel bullets designed specifically to explode within the human body clearly are illegal, and although weapons, including exploding bullets, may not be used to inflict unnecessary suffering, rule 78, as written, indicates a broader and less well-defined prohibition. The rule itself suffers from at least two problems. First, it fails to define which weapons are covered by the phrase “bullets which explode within the human body.” To the extent that the Study intends the rule to cover bullets that could, under some circumstances, explode in the human body (but were not designed to do so), State practice and the ICRC’s Commentary on the 1977 Additional Protocol reflect that States have not accepted that broad prohibition. Second, there are two types of exploding bullets. The first is a projectile designed to explode in the human body, which the United States agrees would be prohibited. The second is a high-explosive projectile designed primarily for anti-materiel purposes (not designed to explode in the human body), which may be employed for anti-materiel and anti-personnel purposes. Rule 78 fails to distinguish between the two. If, as the language suggests, the Study is asserting that there is a customary international law prohibition on the anti-personnel use of anti-material exploding bullets, the Study has disregarded key State practice in this area. Third, the Study extrapolates the rule to non-international conflicts without a basis for doing so.

    8. Re:To your 2nd question by Anonymous Coward · · Score: 0

      International Law doesn't work that way. Treaties aren't bounding on non-signatories, the one accepted exception being the Universal Declaration on Human Rights. Cluster bombs are banned by the Convention on Cluster Munitions, which is not signed by the US (Or Russia, China, India, North Korea, Israel, Brazil ... roughly half the world). On the other hand, the .50 caliber rule is mostly a myth. Gross overpower is forbidden by Laws and Customs of War on Land (Hague II) and later the Geneva Conventions, which was ratified by pretty much all the great powers of the time. But muskets historically were .70 caliber; this rule is more about using tank shells. (Might be related to the idea that even enemy soldiers deserve to be buried properly)

      And as for the Depleted Uranium in the Middle East, go ask the Belgians. World War 1 with its chemical warfare makes the DU issue look like candy. Even a century later, these weapons still kill. If there's one rule widely accepted, it's the prohibition of the use of chemical weapons. The USA hasn't even used tear gas against enemy soldiers, even though it will use that against civilians. I think that speaks for the power of actual international law.

  18. Laser defense? by Anonymous Coward · · Score: 0

    Use the beam as fuel to increase the missile speed.

    Hitting the tail would probably be the most effective to interrupt the steering controls. The missile won't hit its designated target.

  19. "shark-mounted version" by Anonymous Coward · · Score: 0

    I bet they get a seal-mounted version first

  20. Defensive Anti-Missile System by Irate+Engineer · · Score: 1

    What people are missing is that this is meant (mostly) for inbound missile defense. It isn't a matter of *pew* *pew* *pew* *BOOM*; a sustained beam is held on target for a fairly long period of time (up to a second).

    Also works well against motor boats and other third world potential mass suicide attack.

    Thank you for thinking out of the box and kicking ass Lt. Gen. Riper!

    --

    Left MS Windows for Linux Mint and never looked back!

    Vote for Bernie in 2016!

    1. Re:Defensive Anti-Missile System by Anonymous Coward · · Score: 0

      And it's pretty useless against urban guerrillas of any sort, children carrying explosives, biological warfare, or dumping sugar in the fuel supply for the laser. It's a very expensive weapon aimed at military budgets worldwide, unlikely to be useful in the kind of urban ground awwault against hostile populations we've been seeing play out since World War 2.

    2. Re: Defensive Anti-Missile System by Anonymous Coward · · Score: 0

      They'll roll out a wide-beam maser version, don't worry. Instead of a pain weapon it will be a heat-ray. Turns your guerrillas/insurgents/protesters into medium-rare chunks of meat, torn apart by steam explosions as their body water is isntantly vaporized. Just like that. One hit of a switch, silence falls. This is the future: absolute power, absolute control, absolute rule. You will love it. It's not like you have any choice.

  21. Dude! by Anonymous Coward · · Score: 0

    You got DEWd!

    And 'Man up and do the DEW!'

    And don't forget the ever favorite: 'Looks like a pile of DEW crap.' -- Will usually be referring to enemy combatants and rarely unidentifiable civilians claimed as enemy combatants.

    And at a dollar a shot, it'll make the next generation of concentration camps all the more effective at filtering the undesirables out of our society!

    Like everything else Americans gorge out on, take this as food... for thought.

  22. What happens.... by Anonymous Coward · · Score: 0

    ... If you fire shells at the laser which have a retroreflector mounted on their noses? http://en.wikipedia.org/wiki/Retroreflector refers.

    Even if they don't cause the laser to blow up they should blind everyone on the operating ship...

  23. Archimedes by Anonymous Coward · · Score: 0

    A couple thousand years later the USA is catching up to the ship destroying technology of the great Archimedes.

  24. Just what the world needs by rewarp · · Score: 0

    Americans with laser mounted warships.

    --
    In adding a sig, for no other reason, than for aesthetics.
  25. Japan by Anonymous Coward · · Score: 0

    Couldn't we have shocked Japan by just dropping the nuke in the nearby ocean?

    At what point is it okay to kill civilians in order to save the lives of soldiers?

    1. Re:Japan by Triklyn · · Score: 1

      probably not. didn't have that many nukes to throw around. have to show that you're very willing to use it.

      you don't win the war until they admit you've won the war. japan was going to be obstinate about it, and it probably saved japanese lives... hard to call them civilians when they planned to militarize the civilian population.

    2. Re:Japan by Hognoxious · · Score: 1

      Couldn't we have shocked Japan by just dropping the nuke in the nearby ocean?

      One, they might have just thought it was an error. Two, nukes don't make much of an effect on oceans. Just a bit of steam. You couldn't create a tsunami with one.

      At what point is it okay to kill civilians in order to save the lives of soldiers?

      Not what he wrote. But by some reckonings, more Japanese civilians could have died in an invasion than were killed by the two atom bombs.

      The other option was a blockade. Similar result only slower.

      Of course, from a political POV it's their civilians and our soldiers, and they bloody started it. Add on top the mistreatment of prisoners and conquered civilians and I'd have made the same decision as Harry.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    3. Re:Japan by Anonymous Coward · · Score: 0

      How would you feel if you were one of the civilians who was affected by the radiation?

    4. Re:Japan by Hognoxious · · Score: 1

      Probably the same as most of the people who built the Burma railroad.

      Dead.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
  26. Laser goggles by Anonymous Coward · · Score: 0

    Now everybody in the midle East need to purchase laser safety goggles.

  27. Dont ask - Dont tell by BeCre8iv · · Score: 1

    nm

    --
    This perpetual motion machine Lisa made is a joke, it just keeps getting faster and faster. - Homer
  28. screw the laser by WindBourne · · Score: 1

    I want to see the railgun. That is where things change. With the railgun, you can shoot 100 miles and over the horizon.

    --
    I prefer the "u" in honour as it seems to be missing these days.
  29. Rain by Anonymous Coward · · Score: 0

    Ok, now use this laser on a rainy day

  30. All valid except one point: by Ungrounded+Lightning · · Score: 1

    Nearly all of what you say are valid points. But one carries a misconception:

    By it's very nature of being a focused, collimated beam a laser does not affect anything in "the general direction" of the target - if it was not focused and accurate, it wouldn't be an effective weapon and might not even be dangerous.

    That's SO not true. There are two issues here:
      - Forward (and back) scatter: A laser beam "leaks" light, primarily in the "general direction" of the main beam and, to a lesser extent, in the general direction of back toward the source. It's not a big percentage. But when you start out with kilowatts of colimated light it can be more than adequate to burn out a human eye.
      - Scattering (also specular reflection) from the target, or the cloud of gas that remains of the target. This can be a substantial fraction of the incident beam.

    "Do not look at the beam or the target with the remains of your face."

    --
    Bantam Dominique roosters crow a four-note song. Once you've heard it as "Happy BIRTHday" you can't NOT hear it that way
  31. How effective will it be? by Anonymous Coward · · Score: 0

    A directed energy weapon at sea has limited offensive potential and would be primarily a defensive weapon due to its inability to shoot over the horizon. The video of the "twin boat surface" test supplied by the US Navy leads me to have serious doubts as to its effectiveness in actual combat. The system appeared to be manually aimed, and it looked like the mechanism that rotated/elevated the device moved fairly slowly, so it probably can't be used for missile defense. Likewise and for the same reason it is probably not going to be effective against incoming jet aircraft, though it looks to be quite effective against slow moving drones. Also, the 2nd motorboat test target only took damage to a series of black pipes mounted on an overhead bar (probably simulating weapons) but the boat itself was not touched by the weapon (probably deliberate, so they could re-use it in further testing).

    This does not have the look of a polished, ready to deploy weapon system and I don't think this has been tested sufficiently to actually rely on it in combat. Have they tested it against a target with a highly polished aluminum hull for example? Lasers also tend to have problems with things in the air like rain, fog, smoke, sea-spray, etc. which can greatly reduce its effective range. The Navy's experimental rail-gun has much more potential use than laser weapons inside an atmosphere. IMHO of course.

  32. NAVSEA, what does it look like? by Anonymous Coward · · Score: 0

    NAVSEA? It looks like the classical Latin spelling of "nausea". There was an episode of the Flinstones that had a similar naming. IIRC, it was a boat that Fred acquired.

    ==//==

  33. Land Mines by DarthVain · · Score: 1

    Another example are Land Mines, they are banned by much of the world, however the US never agreed to any ban/treaty.