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 ...
Morning Overview on MSN
X-15 flight 90 accidentally pushed a pilot past the edge of space
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 ...
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