GPS-Free —quantum magnetic navigation.— Test Flight Success Marks Critical Advance for Aviation, National Security

DOD and Honeywell have successfully flown an aircraft for more than four hours from Seattle to Alaska over the Pacific without GPS, using quantum magnetic navigation. Next: They plan to demonstrate the technology on a U.S. military C-17 Globemaster III later this year.

https://www.war.gov/News/News-Stories/Article/Article/4591661/gps-free-test-flight-success-marks-critical-advance-for-aviation-national-secur/

https://www.war.gov/News/News-Stories/Article/Article/4591661/gps-free-test-flight-success-marks-critical-advance-for-aviation-national-secur/