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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XB-70 Valkyrie: The Mach 3 bomber ahead of its time
Designed to fly above 70,000 feet at three times the speed of sound, the XB-70 Valkyrie was meant to be the ultimate strategic bomber. Despite groundbreaking materials, aerodynamics, and proposed ...
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