Useless Fact: The X-15 Rocket Plane: Fastest Ever

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The X-15 Rocket Plane: Fastest Ever

Technology

In 1967 the X-15 experimental rocket-powered aircraft reached a record speed of Mach 6.72 at an altitude of 108 km. The X-15 program was a joint effort between NASA and USAF between 1959 and 1968.

Source: NASA

Posted: 2001-09-25 10:08:52 AM

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