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National Security Journal on MSN3h
XB-70 Valkyrie: The Mach 3 Bomber That Failed to Replace the B-52The North American XB-70 Valkyrie, a Cold War-era bomber, was a technological marvel designed to fly at Mach 3 and at 70,000 ...
PilotPhotog on MSN3d
XB-70 Valkyrie’s Last Mission – The Day Aviation Lost a LegendFebruary 4th, 1969: the XB-70 Valkyrie bomber takes its last flight. Watch this video to remember the occasion or to learn ...
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