Modern Engineering Marvels on MSN
Why America’s Mach 3 Valkyrie became a brilliant dead end
The XB-70 Valkyrie was not defeated by bad engineering. It was defeated by a strategic idea that aged faster than the airplane built to prove it. Conceived in the 1950s as the Air Force’s answer to ...
Found and Explained Official on MSN
The Mach 3 bomber turned passenger plane - Valkyrie airliner
North American Aviation explored the idea of converting the XB-70 Valkyrie into a passenger aircraft, using the bomber’s ...
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