National Security Journal on MSNOpinion
The Mach 3.08 XB-70 Valkyrie Bomber Has a Message for the U.S. Air Force
The North American XB-70 Valkyrie embodied a once-dominant creed: outrun defenses at Mach 3 and 70,000 feet. -The prototype ...
The B 70 Valkyrie was built to fly higher and faster than any bomber before it, a supersonic marvel meant to dominate the ...
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