This was posted a few months ago. It's a short but fun read: SR-71 Blackbird Spe...

		UberFly on Sept 26, 2023 \| parent \| context \| favorite \| on: The SR-71 Blackbird Astro-Nav System worked by tra... This was posted a few months ago. It's a short but fun read: SR-71 Blackbird Speed Check Story https://news.ycombinator.com/item?id=36041845 https://www.thesr71blackbird.com/Aircraft/Stories/sr-71-blac...