STS-39 MS Hieb prepares for emergency egress exercises in JSC's WETF Bldg 29

S90-54750 (7 Dec 1990) --- Astronaut Richard J. Hieb, mission specialist, listens attentively as a trainer (out of frame) briefs the STS-39 crewmembers on emergency egress measures. The seven astronauts were in JSC's weightless environment training facility (WET-F). This type training uses the WET-F's 25 ft. deep pool to simulate an ocean parachute landing.