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XB-70 Bomber Can Be Explained in 3 WordsA Total Failure: The XB-70 Valkyrie was an experimental U.S. nuclear bomber developed in the 1950s and 1960s as a potential replacement for the B-52. Designed to fly at Mach 3 speeds and altitudes ...
The North American Aviation XB-70 Valkyrie was one of the first supersonic bombers to be built after the Second World War. Designed and constructed in the mid-1950s ...
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