S96-08067 (April 1996) --- Astronaut John H. Casper, mission commander, has finished the final touches of suit donning and awaits the beginning of a training session for emergency bailout. All six crew members participated in the session, held in the Johnson Space Center?s (JSC) Weightless Environment Training Facility (WET-F). The six astronauts will spend nine days aboard the Space Shuttle Endeavour next month.