Northrop Grumman's Family of Fiberoptic based Inertial Navigation Systems | Semantic Scholar
NAVIGAT 100 Gyro Compass - Radio Holland
HRG White Paper - Northrop Grumman Electronic Systems
LN-200 FOG Family - Northrop Grumman
Northrop Grumman Sperry Marine Type 5016 STO 074880 Gyro Compass 0098-14 | eBay
Hemisphere & Stem of a Hemispherical Resonator Gyroscope -- donated to the museum @ which this Is displayed by Northrop-Grumman. It might not look like very much; but apparently these hemispherical resonator