Key Points and Summary - Boeing’s X-51A “Waverider” was a hypersonic tech demonstrator built with AFRL, DARPA, and Pratt & Whitney Rocketdyne to validate scramjet flight. -Air-dropped from a B-52, the ...
Key Points and Summary - The X-51 Waverider’s 2013 flight—air-launched from a B-52 and accelerating to Mach 5.1—remains the longest air-breathing hypersonic run on record and a pivot point for U.S.
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