STS-33 crewmembers during training exercise in JSC Mockup and Integration Lab

STS-33 Discovery, Orbiter Vehicle (OV) 103, crewmembers, wearing orange launch and entry suits (LESs) and launch and entry helmets (LEHs), are seated in their launch and entry positions on crew compartment trainer (CCT) flight deck during a training exercise in JSC Mockup and Integration Laboratory (MAIL) Bldg 9A. Commander Frederick D. Gregory (far right) is stationed at forward flight deck commanders controls, Pilot John E. Blaha (far left) at the pilots controls and on aft flight deck are mission specialists Manley L. Carter, Jr (left), MS F. Story Musgrave (center, holding clipboard), and MS Kathryn C. Thornton (standing). Overhead forward control panels are visible above the astronauts and aft flight deck onorbit station control panels and windows are visible in the background. Thornton is on the flight deck for this photo but during launch and entry will be seated on the middeck.