North American X-15 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "North American X-15" in English language version.

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nasa.gov

  • Gibbs, Yvonne, ed. (28 February 2014). "NASA Armstrong Fact Sheet: X-15 Hypersonic Research Program". NASA. Retrieved 4 October 2015. 4,520 mph (Mach 6.7 on Oct. 3, 1967,
  • Thompson, Elvia H.; Johnsen, Frederick A. (23 August 2005). "NASA Honors High Flying Space Pioneers" (Press release). NASA. Release 05-233.
  • Gibbs, Yvonne (13 August 2015). "NASA Dryden Fact Sheets - X-15 Hypersonic Research Program". NASA.
  • Jarvis, Calvin R.; Lock, Wilton P. (1965). Operational Experience With the X-15 Reaction Control and Reaction Augmentation Systems (PDF). NASA. OCLC 703664750. TN D-2864.
  • Merlin, Peter W. (30 July 2004). "Michael Adams: Remembering a Fallen Hero". The X-Press. 46 (6).
  • Jenkins, Dennis R. (2010). X-15: Extending The Frontiers of Flight. NASA. ISBN 978-1-4700-2585-4.
  • Johnsen, Frederick A. (23 August 2005). "X-15 Pioneers Honored as Astronauts". NASA.
  • X-15 First Flight 1991, Appendix A. Proceedings of the X-15 First Flight 30th Anniversary Celebration (PDF). NASA. January 1991. NASA CP-3105.
  • Gibbs, Yvonne (2 June 2015). "Neil Armstrong with X-15 #1 After Flight". NASA. Retrieved 10 September 2023. Armstrong was actively engaged in both piloting and engineering aspects of the X-15 program from its inception. He completed the first flight in the aircraft equipped with a new flow-direction sensor (ball nose) and the initial flight in an X-15 equipped with a self-adaptive flight control system. He worked closely with designers and engineers in development of the adaptive system, and made seven flights in the rocket plane from December 1960 until July 1962.
  • Conner, Monroe (23 June 2020). "Joseph A. Walker". NASA. Retrieved 10 September 2023.

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