North American XB-70 Valkyrie

The North Aviation XB-70 Valkyrie was the prototype version of the planned B-70 -armed, deep-penetration supersonic strategic bomber for the Force Strategic Command.

Designed in the late 1950s by North Aviation (NAA), the six-engined Valkyrie was capable of cruising for thousands of miles at Mach 3+ while flying at 70,000 feet (21,000 m).


Deep dive explanation.
Historical context.
General overview.

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