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XB-70 Valkyrie: America’s Supersonic Bomber—What Went Wrong?
Conceived as the crown jewel of America’s Cold War air strategy, the XB-70 Valkyrie was a technological masterpiece: a Mach 3 ...
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XB70 Valkyrie Americas Supersonic Bomber That Fell From Sky
Once hailed as the future of American air dominance, the XB-70 Valkyrie soared faster than Mach 3 and flew higher than any ...
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