SR-71 Blackbird
I'll bet you didn't know that the SR-71 Blackbird began its life in
1958! It remains the fastest, highest flying, air-breathing production
aircraft in the world!
The plane had a star tracker system that used stars to navigate with, independent of any ground-based systems
The leading edge of the plane would heat up to 427C, too hot for
ground crew to touch when it initially landed
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