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X-15 The Hypersonic Research Airplane from NACA to NASAThe North American X-15 was an experimental Air Force and NASA Hypersonic Rocket powered aircraft that was used to ...
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The X-15 was a Starfighter in All But NameDeveloped in the late 1950s and flown throughout the 1960s, the X-15 was a hypersonic rocket-powered research plane. Operated jointly by the United States Air Force and NASA, this bird provided ...
What the VTOL X-Plane program, also known as the VXP ... whose 36-foot wingspan holds two stationary proprotors, each 15 feet in diameter and positioned midway between wingtip and centerline.
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