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Article Summary - NASA’s Mach 10 Dream: Can the X-43A’s Legacy Go Operational? -In 2004, NASA’s X-43A set the air-breathing speed record at Mach 9.6, validating scramjet combustion but only for 10 ...

Add Yahoo as a preferred source to see more of our stories on Google. Army Futures Command Chief of Staff Maj. Gen. Michael C. McCurry, left, and Vice Chairman of the Joint Chiefs of Staff Adm.

Hypersonic flight could one day make long-haul travel as quick as a short movie. Researchers are testing how turbulence behaves at extreme speeds, a critical hurdle for designing these aircraft. Their ...