The North American XB-70 Valkyrie emerged from a United States Air Force requirement in the mid-1950s for a bomber capable of delivering nuclear payloads at speeds and altitudes beyond the reach ...
The National Interest on MSN6d
XB-70 Valkyrie: The Greatest Warplane America Never AdoptedDespite its technical triumphs and support from aviators, the XB-70’s operational future unraveled almost as quickly as it ...
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