Astronauts Mattingly and Hartsfield prepare to board van for liftoff rehersal

S82-32202 (29 May 1982) --- Astronauts Thomas K. (Ken) Mattingly II, center foreground, and Henry W. Hartsfield Jr., both wearing pressure garments, leave the operations and checkout building at KSC to board a special van that will take them to Launch Pad 39A for a rehearsal for their liftoff. Accompanying the pair are astronaut John W. Young (blue flight suit), chief of the astronaut office at JSC; Richard W. Nygren of the vehicle integration test team (VITT); and James O. Schlosser, space suit engineer. Photo credit: NASA