X-37B's Secret Mission: A Quantum Leap in Space Navigation

The US military's X-37B spaceplane, launching on its eighth mission in August 2025, carries a potentially revolutionary experiment: a quantum inertial sensor. This sensor uses atom interferometry to enable highly accurate navigation even where GPS is unavailable or compromised, such as deep space or underwater. Outperforming traditional inertial navigation systems in accuracy and stability, it holds significant implications for both military and civilian spaceflight, marking a crucial step towards real-world applications of quantum technology.