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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 · The X-15 was a follow-on research aircraft to the early X-planes, which had explored the flight regime from just below the speed of sound (Mach 1) to Mach 3.2. In 1952 the NACA had begun preliminary research into space flight and associated problems.

  3. Mar 18, 2014 · X-15: The World's Fastest Rocket Plane and the Pilots who Ushered in the Space Age, by John Anderson and Richard Passman. This first flight was the beginning of one of the most spectacular test programs of one of the most spectacular airplanes in history.

  4. Jul 23, 2019 · The X-15 was a joint research program sponsored by the NACA, the U.S. Air Force, the U.S. Navy, and private industry. It was designed to explore the upper limits of supersonic flight above Mach 2 and hypersonic flight beyond Mach 5.

  5. Sep 15, 2009 · The X-15 was a research scientists dream. The experimental, rocket-boosted aircraft flew 199 flights with 12 different pilots at the controls from 1959 through 1968.

  6. One museum, two locations. Visit us in Washington, DC and Chantilly, VA to explore hundreds of the world’s most significant objects in aviation and space history. Free timed-entry passes are required for the Museum in DC. What's On.

  7. The X-15 and other X-planes are more than a historical legacy for NASA. The program is the core of NASA’s an array of new experimental aircraft that will carry on the legacy of demonstrating advanced technologies to push back the frontiers of aviation.

  8. Jul 17, 2024 · X-15, rocket-powered research aircraft built in the 1950s by North American Aviation, Inc., for the U.S. military and the National Aeronautics and Space Administration in order to gather information on flight conditions beyond the atmosphere. First flown in 1959, the X-15 set separate unofficial.

  9. 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.

  10. Aug 28, 2010 · The X-15 remains the fastest and highest flying manned aircraft ever flown, and is regarded by many as the most important research plane in history. The X-15 emerged from a combined US Air Force and US Navy request for a research aircraft to reach altitudes of 250,000 ft and speeds exceeding Mach 6.

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