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A comment on SR-71 Blackbird Astro-Nav System (a.k.a. R2-D2) worked by tracking the stars. Parent comment

Re:SR-71 Blackbird Astro-Nav System (a.k.a. R2-D2) worked by... by westurner on Monday September 25, 2023 @08:38PM (#37652805)
The SAC Museum Wikipedia page links to the website page on this craft: https://en.wikipedia.org/wiki/Strategic_Air_Command_%26_Aero... https://www.sacmuseum.org/what-to-see/aircraft/sr-71a-blackb...

Quantum navigation also determines position from quasi-stable astral signal sources: https://news.ycombinator.com/item?id=36222625

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