• North American X-15 in Flight
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    After initial test flights in 1959, X-15s became the first aircraft to reach Mach 4, 5, and 6, and to operate well above 30,500 meters (100,000 feet).

  • North American X-15 in Flight

ID#:

732089

Source:

NASA Dryden Flight Research Center

Owner:

NASA

Rights Usage:

Public Domain

Terms of Use:

Smithsonian Terms of Use
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North American X-15

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