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|---|---|---|
Transiting from Air to Space...Robert S. Houston, Richard P...
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The North American X-15 rocket-powered aircraft/spaceplane was part of the X-series of experimental aircraft, initiated with the Bell X-1, that were made for the USAAF/USAF, NACA/NASA, and the USN. The X-15 set speed and altitude records in… more |
Transiting from Air to Space: The North American X-15 (NASA Historical Series) |