This has existed for quite a while. The SR-71 (introduced in 1966) had an astro-inertial navigation system that tracked stars to reduce error in a standard INS.

This has existed for quite a while. The SR-71 (introduced in 1966) had an astro-inertial navigation system that tracked stars to reduce error in a standard INS. Using spectrum filters, was able to track stars day and night (and I imagine potentially in bad weather). https://timeandnavigation.si.edu/multimedia-asset/nortronics-nas-14v2-astroinertial-navigation-system https://timeandnavigation.si.edu/multimedia-asset/nortronics...