Mustard on MSN

XB70 Valkyrie Americas Supersonic Bomber That Fell From Sky

Once hailed as the future of American air dominance, the XB-70 Valkyrie soared faster than Mach 3 and flew higher than any ...
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 ...