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  1. The North American X-15 is a hypersonic rocket-powered aircraft operated by the United States Air Force and the National Aeronautics and Space Administration (NASA) as part of the X-plane series of experimental aircraft.

  2. Feb 28, 2014 · Learn about the X-15, a rocket-powered aircraft that explored the flight regime above Mach 5 and set world records of speed and altitude. Find out how the X-15 contributed to the development of piloted spaceflight programs and the design of its aerodynamic and control systems.

  3. Mar 18, 2014 · Learn about the history and achievements of the X-15, the first hypersonic airplane that opened a new chapter in aviation. See how it was designed, flown, and tested by 12 pilots who reached speeds and altitudes never before seen.

  4. Sep 15, 2009 · Learn how the X-15 rocket plane paved the way for the space shuttle with its hypersonic flights and research. Hear from former X-15 pilot Joe Engle, who flew the X-15 and commanded two shuttle missions.

  5. Mar 25, 2014 · The X-15 is the fastest and highest-flying manned aircraft. Decades after its record-breaking flights, it’s inspiring a new generation of space planes. To any fan of aviation or space...

  6. Sep 5, 2012 · The X-15 was the ultimateXvehicle. Built in the 1950s, she became the fastest and highest-flying winged aircraft of its time. During 199 flights from 1959 through 1968, she collected data about hypersonic flight that was invaluable to aeronautics and to developers of the space shuttle.

  7. North American X-15, rocket powered experimental aircraft; black titanium skin with wedge shaped horizontal stablizer; yellow stripe NASA inisignia on tail with stars and red bars United States national insignia on wings; white letter text "U.S.

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