Fun fact: the SR-71 spy plane uses computer-based celestial navigation https://timeandnavigation.si.edu/multimedia-asset/nortronics-nas-14v2-astroinertial-navig

Fun fact: the SR-71 spy plane uses computer-based celestial navigation https://timeandnavigation.si.edu/multimedia-asset/nortronics-nas-14v2-astroinertial-navigation-system https://timeandnavigation.si.edu/multimedia-asset/nortronics...