Lockheed Martin Awarded GPS III
D Ninja writes "Yesterday, Lockheed Martin was awarded the $1.4 billion Air Force contract to build the next-generation global positioning satellite system. This occurred after a series of delays as the Air Force decided between Lockheed and the competing bidding contractor, Boeing Co. 'GPS III, will give new navigation warfare (NAVWAR) capabilities to shut off GPS service to a limited geographical location while providing GPS to US and allied forces. GPS III will offer significant improvements in navigation capabilities by improving interoperability and jam resistance. The procurement of the GPS III system is planned for multiple blocks, with the GPS IIIA portion currently underway. GPS IIIA includes all of the GPS IIF capability plus up to a ten-fold increase in signal power, a new civil signal compatible with the European Union's Galileo system, and a new spacecraft bus that will allow a growth path to future blocks.'"
Seriously - lost the in air refueler contract to Airbus (or NVS or whoever)- lost this contract to Lockhead - What is the deal?
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Why didn't they have NASA build it? They're not for profit and always want more money to do stuff. Any company is obviously making money off it while NASA wouldn't be. Plus, they kinda know a bit about space and satellites.
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I think that translates to "ability to override the European Union's Galileo".
The reason Europe decided to build Galileo as a direct civilian alternative to US' GPS was to prevent the US from shutting down all navigation in case of a conflict. TFA says that the new (US military) GPS now will have 500x transmit power, and also transmit a new civilian signal (L1C) to be fully compatible and interoperable with EU's Galileo.
I wonder if the capability to "interoperate" with the Galileo system also includes "Jamming". Seems like the satellite could produce a good military GPs signal while at the same time transmit a corrupt L1C signal to "interoperate" with the Galileo system.
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I think it's an interesting problem to create a satellite that emits a radio signal that can only be used by some people, but not others, as in the "military" and "civilian" signals from these satellites.
I daresay at some point it would be considered a war crime to disrupt GPS signals, in any case, when civilization is much more dependent on them, as I think it is reasonable to expect in the future.
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GPS in a military situation has always seemed to me kind of a bad idea to rely on too much.
What makes you think we are overly dependent upon them? Sure they are convenient, and if working why not use them, but do you really think that they have stopped teaching people how to use compasses at West Point and Quantico? I'm pretty sure ground commanders have considered this issue. Hell, in the Marines when recruits were introduced to the K-Bar, a 7 inch combat knife, they were told it was the most reliable weapon they will every carry because it has zero moving parts and zero electronics. I can't imagine this radically changing in the last decade or two. Last I heard that the Navy still plots positions with sextant and mechanical chronometers in addition to using various forms of fancy electronic navigation systems developed over the last 50 years.
Except international airlines don't rely on gps, a lot don't even use it, due to the risk of selective availability. Don't know about ships, but I'm pretty sure there are other ship navigation systems in place. It is a very probably thing for the US to do and we have done it before.
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Which, if I remember correctly, is why sailors in the US Navy still use a sextant to figure out their position. The newest example I could find in a quick search was this picture: http://www.news.navy.mil/view_single.asp?id=41572 The practice is probably done out of tradition, but hell... if I was on a ship and some knucklehead was able to knock out the electronics (hopefully not easy to do), then I wouldn't mind if someone aboard had the capability of telling the Captain where the hell to point the boat to in order to get to safety.
The thing that I wonder is this: if the GPS, the chronometer, and magnetic compass all go down, does that mean that they are in a condition where they're probably reduced to using oars for propulsion?