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S79-25014
61 of 71

S79-25014

May 30, 2011
Astronaut Robert L. Crippen, pilot of the first space shuttle orbital flight test (STS-1), eases into a water immersion facility (WIF) during a training session in the Johnson Space Center's training and test facility (Bldg. 260). The WIF affords one of two ways to simulate the feeling of weightlessness experienced during space extravehicular activity (EVA), the other being inside aircraft flying a parabolic curve. Crippen will be joined by astronaut John W. Young, commander, for the STS-1 flight. Photo credit: NASA or National Aeronautics and Space Administration


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