An important part of data collection for the United States space program, the North American X-15 had astonishing performance utilizing the technology of the 1950s and 60s. The North American X-15 was ...
The North American X-15 did more than set records; it quietly redrew the map of what a piloted aircraft could survive at the edge of space. By pushing hypersonic flight to extremes that still stand ...
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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