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S95-09698
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S95-09698

June 7, 2011
This 1995 photo aboard a KC-135 "zero-gravity" aircraft carrying that year's class of NASA astronaut candidates depicts the kind of training required to prepare astronauts for flights on assigned missions in space. Dafydd R. (Dave) Williams Jr. (third from left on top row), a mission specialist representing the Canadian Space Agency (CSA), will join four other first time fliers (not pictured) on the Space Shuttle Columbia for the April 1998 Neurolab mission. The series of parabolas flown by the KC-135 on a given day represents the only accurate Earth-bound means of fabricating the microgravity environment of space travel. Those pictured are (from the left, top row) Frederick W. Sturckow, Rick D. Husband, Williams, Stephen K. Robinson, Kalpana C. Chawla and Takao Doi; and (bottom row, left to right) Michel Tognini, Carlos I. Noriega, Susan L. Still, Janet L. Kavandi, Michael P. Anderson and Joe F. Edwards. Doi is representing the National Space Development Agency (NASDA) of Japan; Williams, the Canadian Space Agency (CSA); and Tognini, France's Centre National dEtudes Spatiales (CNES).