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B70 Valkyrie the Mach 3 bomber that ended in tragedy
The B-70 Valkyrie was the United States’ most ambitious bomber — a supersonic giant capable of cruising at Mach 3 and soaring ...
Article Summary - The XB-70 Valkyrie was born from a simple Cold War idea: fly so high and fast that nothing could touch you. North American’s Mach 3 giant pushed materials, aerodynamics, and engines ...
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