Northrop Grumman Releases Next Generation Maritime Inertial Navigation System | Northrop Grumman
G-2000 DTG Gyroscope Product Suite - Northrop Grumman
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
Northrop Grumman to supply GEO-6 satellite navigation system - Aerospace Manufacturing and Design
Figure 3 from Northrop Grumman's Family of Fiberoptic based Inertial Navigation Systems | Semantic Scholar