Northrop Grumman to Upgrade Software for the LN-251 Navigation System on the CH-53K Helicopter AVIATION NEWS International Aviation News, Airshow reports, Aircraft facts, worlds largest Aviation Museum database. Civillian, Military & Space, We cover it All
Northrop Grumman Corporation has been awarded a Phase II contract by the U.S. Navy to modify existing software for the LN-251 embedded GPS/fiber-optic inertial navigation system (INS) on the new CH…
