Boeing NB-52A take off with X-15 No. 3 (S/N 56-6672) on July 17, 1962, when Maj. White flew to an altitude of 314,750 feet. The NB-52A was named "The High and Mighty One" at this time. Note the X-15 mission markings on the fuselage just forward of the wing. The horizontal ones are for unpowered flights and the near vertical marks for powered flights. ( Air Force photo)

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Size: 1923px × 1299px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

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