Mach 3+ NASA/USAF YF-12 Flight Research,
1969-1979, by Peter W. Merlin. NASA’s Monographs in Aerospace Hlstory #25.
Mach 3+ NASA/USAF YF-12 Flight Research,
1969-1979, by Peter W. Merlin. NASA’s Monographs in Aerospace Hlstory #25.
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