3 ms·
I think it was better icbm guidance since inertial guidance tends to drift quite a bit on long flights.
by joshAg 13y ago
I think it was better icbm guidance since inertial guidance tends to drift quite a bit on long flights.
- mjlee 13y agoFun fact, ICBMs do astronav! They have on-board cameras and computers to take a star sight and fix their location. In the war they're designed to operate in GPS would have been disabled long ago.
- joshAg 13y agoThe sr71 did something similar, too, but i think they just used an astrolabe instead of taking a picture. But both still use an internal gyro in between pictures, don't they?