Dark Skies Official on MSN
XB-70 Valkyrie: Mach 3 Nuclear Bomber
As part of a plan to build a strategic bomber for deep penetration and nuclear bombing runs during the Cold War, North ...
Key Points and Summary - The XB-70 Valkyrie was the U.S. Air Force’s bid to outrun Soviet defenses: a six-engine, compression-lift bomber built for sustained Mach 3 at extreme altitude. -National ...
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