S90-54754 (13 Dec 1990) --- Astronaut Richard J. Hieb, STS-39 mission specialist, wearing launch and entry suit (LES) and launch and entry helmet (LEH), floats in single person life raft after landing in JSC's Weightless Environment Training Facility (WETF) Bldg 29 pool. During emergency egress bailout procedures, Hieb practiced procedures necessary for a water landing. Divers monitor Hieb's activity.
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