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Waffleman75 t1_j9jctuz wrote

Reply to comment by Keuleman 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

You remember to zip up your jumpsuit on your way out of the bathroom, that's good. I just jumped us half way across the galaxy and hit a target the size of a pinhead, so that's incredible.

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