Photographic documentation showing STS-51 crewmembers engaging in activities in the flight deck of the orbiter Discovery. Views include: pilot William Readdy in the commander's station in the forward flight deck going over checklist items (001-007); Mission Specialist (MS) Daniel Bursch in the aft flight deck (008); MS Carl Walz turns knob on aft flight deck station (009-010); pilot William Readdy in forward flight deck (011); Readdy in forward flight station wearing sunglasses (012-013); MS Newman and MS Bursch, who is wearing sunglasses, in the aft flight deck (014-015); MS Walz in flight deck holds IMAX camera and looks through equipment (016-17); mission commander Frank Culbertson holds hardware in his mouth in flight deck (018); Readdy in forward flight deck with sunglasses pushed up on his forehead (019-020); MS Bursch looks out aft flight deck window with left hand on a control (021); MS Walz with IMAX camera (022-023); MS Bursch works at aft flight deck station, with Remote Manipulator System (RMS) arms visible in aft flight deck window (024); Readdy (025); Culbertson, wearing sunglasses, takes notes about mission activity (026); MS Walz with a camera (027); MS Newman works with an array of computers in the middeck (028); commander Culbertson and MS Bursch in the aft flight deck (029-032); Culbertson (033); Readdy 9034-035).