NASA test pilot Joseph A. Walker played a key role in early spaceflight research, flying the experimental North American X-15 to the edge of space during a groundbreaking era for aviation and ...
The North American X-15 was built to flirt with the edge of space, not to cross it by accident. Yet on a research mission labeled Flight 90, a routine test profile slipped just far enough out of ...
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X-15: The Rocket Plane That Flew to Mach 6.7
While the SR-71 Blackbird gets all the press, the rocket-powered X-15 has its own richly deserved place in the aviation history record books: on October 3, 1967, U.S. Air Force test pilot William ...
The X-15 was a key bridge between conventional atmospheric flight and spaceflight. The North American X-15 is one of the most groundbreaking aircraft ever created in the history of aviation and space ...
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