dubyaDS t1_j9i6jtt wrote on February 22, 2023 at 3:33 AM Reply to comment by torsun_bryan in TIL The Lockheed SR-71 Blackbird used an Astro-inertial Navigation System to track Stars and determine its position and altitude. At Mach 3, the navigation system was accurate enough to limit drift to 1,000 feet (300 meters) off course. by shamelessterminator Couldn’t tell the difference between a bolt and a star, doesn’t sound too advanced to me Permalink Parent −9−
dubyaDS t1_j9i6jtt wrote
Reply to comment by torsun_bryan in TIL The Lockheed SR-71 Blackbird used an Astro-inertial Navigation System to track Stars and determine its position and altitude. At Mach 3, the navigation system was accurate enough to limit drift to 1,000 feet (300 meters) off course. by shamelessterminator
Couldn’t tell the difference between a bolt and a star, doesn’t sound too advanced to me