The X-51A Waverider, shown here under the wing of a B-52 Stratobomber is set to demonstrate hypersonic flight. Powered by a Pratt Whitney Rocketdyne SJY61 scramjet engine, it is designed to ride on its own shockwavem and accelerate to about Mach 6. ( Air Force graphic)

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Size: 1870px × 1336px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, airforce, force, military, states, united, usa