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All posts tagged "XB-70A"

XB-70 US Air Force Bomber Creative Commons Photo

XB-70 US Air Force Bomber Creative Commons Photo

Aerospace & Defense

‘Supersonic Mistake’: The US Air Force’s Mach 3.08 XB-70 Valkyrie Cost $2,000,000,000 to Build Just 2 Bombers to Replace the B-52 But Were Obsolete Before They Flew

The US Air Force XB-70 bomber cost up to $2 billion, reached Mach 3.08 and was built for a 50,000-pound payload before missiles erased...

Harry J. Kazianis49 minutes ago

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