X-15: Quick Facts

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X-15 rocket-powered research aircraft dropping away from beneath the wing of a U.S. Air Force B-52.

Explore how the X-15, M2-F1 vehicle, and the LLRV at NASA's Dryden Flight Research Center contributed to the U.S. space program

X-15 rocket-powered research aircraft launching from beneath the wing of a U.S. Air Force B-52.

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NASA's Reduced Gravity Program provides the unique weightless or zero-G environment of space flight for testing and training of human and hardware reactions. NASA used the turbojet KC-135A to run these parabolic flights from 1963 to 2004.

Man-Made Birds in the Sky