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Naval Academy Reinstates Teaching of Celestial Navigation
HughPickens.com writes: At the US Naval Academy in Annapolis, midshipmen studied celestial navigation for more than a century -- until 1998, after a decision that came after months of discussion that began with a 1996 curriculum review. Midshipmen were relieved. Celestial calculations were painfully difficult, requiring a nautical almanac and volumes of tables. Now Tim Prudente reports at the Capital Gazette that the Navy has reinstated the teaching of celestial navigation in the manual issued two months ago. The first midshipmen to receive training were juniors during this past summer school. Future classes will learn theories of celestial navigation during an advanced navigation course. And the Class of 2017 will be the first to graduate with the reinstated instruction.
But is there really any point in knowing how to navigate by the stars in a world of GPS? "In the event that we had to go into a national emergency, we would probably have to shut the GPS down because it can be used by potential enemies," says retired Navy Capt. Terry Carraway. "We went away from celestial navigation because computers are great," says Lt. Cmdr. Ryan Rogers, the deputy chairman of the academy's department of seamanship and navigation. "The problem is, there's no backup."
But is there really any point in knowing how to navigate by the stars in a world of GPS? "In the event that we had to go into a national emergency, we would probably have to shut the GPS down because it can be used by potential enemies," says retired Navy Capt. Terry Carraway. "We went away from celestial navigation because computers are great," says Lt. Cmdr. Ryan Rogers, the deputy chairman of the academy's department of seamanship and navigation. "The problem is, there's no backup."
Why wouldn't the military just turn their encryption keys back on so that they can use it but others get worse data? I do agree that teaching your officers celestial navigation is important, but when shit hits the fan, it will be interesting to see which ones actually retain it and can use it without constant practice.
They're not doing this in case they have to turn off the GPS. They're doing this because they realize that the enemy may be able to turn off the GPS (along with everything else that relies on modern microelectronics).
I'm an officer for the Royal Canadian Navy. I've spent time on the bridge of some of our American friends' warships and it's sometimes a white-knuckle experience. Sailing into northern waters away from large constellations of GPS satellites can easily bring your dilution of precision to the point where you could be almost anywhere, and yet many of my American friends didn't even know what the reading meant on their display. HDOP would be flashing red on the bridge and they would be all fat and happy sailing at full speed. ECPINS put a dot on the electronic chart as to where they were, so that meant that's where they are.
It was with puzzlement that I first learned that Americans didn't teach celestial navigation to its officers. It's not that celestial navigation by itself is really all that necessary, because yes, even without it, there are other methods. But the training of it produces officers that have a better understanding of when their machines are lying to them. It, and all the related skills you need to learn to make it work, gives more useful things in your toolbox to draw from. Because I will tell you from experience, it is not a matter of if a GPS will give you a wrong answer. It's a matter of when.
It's also, if you ask me, not a matter of if but when a shooting war finally breaks out. And if and when it does, you can guarantee that one of the first priorities for the enemy will be to deny NATO (one way or the other) the use of GPS.
Perhaps with a renewed focus on training techniques that don't rely on toys, the USN will stop having the most collision-dented ships in NATO.
In the middle of the North Atlantic what is there to hit?
That's exactly what the captain of the Titanic said!