STS-51 crewmembers sleeping

STS051-20-037 (12-22 Sept 1993) --- Four of the five astronaut crew members were photographed during one of their sleep periods on the Space Shuttle Discovery's mid-deck. At bottom center, astronaut Frank L. Culbertson, Jr., mission commander, is barely visible, with most of his body zipped securely in the sleep restraint. Others, left to right, are astronauts Daniel W. Bursch and Carl E. Walz, mission specialists, and William F. Readdy, pilot. The photograph was taken by astronaut James H. Newman, mission specialist.