S84-36900 (29 June 1984) ---Astronauts <a href="https://en.wikipedia.org/wiki/Robert_Crippen" class="extiw" title="en:Robert Crippen">Robert L. Crippen</a> (right) and <a href="https://en.wikipedia.org/wiki/Jon_McBride" class="extiw" title="en:Jon McBride">Jon A. McBride</a>, crew commander and pilot, respectively, for NASA's <a href="https://en.wikipedia.org/wiki/STS-41-G" class="extiw" title="en:STS-41-G">41-G</a> Space Shuttle mission, don self contained underwater breathing apparatus (SCUBA) gear prior to their underwater to observe a simulation of an extravehicular activity (EVA) to be performed on their mission. Astronauts Kathryn D. Sullivan and David C. Leestma, two of three mission specialists on the seven-member crew, are scheduled for the EVA. The underwater training took place in the Johnson Space Center's weightless environment training facility (WET-F).
NASA
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