THIS IS THE WORLD'S FASTEST AND LARGEST MEGA BOMBER YOU HAVE NEVER SEEN
The North American Aviation XB-70 Valkyrie was the prototype version of the planned B-70 nuclear-armed, deep-penetration strategic bomber for the United States Air Force Strategic Air Command. In the late 1950s, North American Aviation designed the Valkyrie as a large, six-engine bomber capable of reaching Mach 3+ while flying at 70,000 feet (21,000 m).
At these speeds, it was expected that the B-70 would be almost immune to intercept
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