In 2015, the U.S. Naval Academy reinstated celestial navigation for graduates after GPS trust was shaken by incidents like a truck driver jamming signals near an airport. Lockheed Martin engineers developed a quantum sensor using a synthetic diamond cube to navigate Earth’s magnetic anomalies independently of satellites, providing a crucial backup to GPS. Furthermore, a quantum gyroscope developed by physicist Azure Hansen does not drift and offers reliable rotational motion sensing. Quantum sensors may revolutionize navigation in aviation and shipping, providing backup systems for GPS in various modes of transportation. Market-readiness and production issues may delay widespread implementation, but these technologies offer promising alternatives to traditional navigation tools.
https://www.wired.com/story/quantum-physicists-found-a-new-safer-way-to-navigate/