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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 Merad on Monday September 25, 2023 @09:52PM (#37653315)
Lots of aerial refueling. 10 hours in the air, yes, but not on a single tank of fuel.
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