90K views · 1.8K reactions | #TBT The XB-70 Valkyrie was the largest...
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FacebookNASA's Armstrong Flight Research Center
90K views · 1.8K reactions | #TBT The XB-70 Valkyrie was the largest...
NASA's Armstrong Flight Research Center. . #TBT The XB-70 Valkyrie was the largest x-plane. Capable of flight at speeds three times the speed of sound (2,000 miles per hour) and altitudes of 70,000 feet, the XB-70 was used to collect in-flight information for use in the design of future supersonic aircraft.This video shows an XB-70A taking off ...
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