STS-55 SL-D2 crew poses in front of ET/SRB at KSC Launch Complex (LC) Pad 39A

S93-29860 (11 Feb 1993) --- The STS-55 crew poses for a group portrait next to the Space Shuttle Columbia at Launch Pad 39A. From left are mission specialist Charles J. Precourt; pilot Terence T. Henricks; payload specialist Ulrich Walter, mission commander Steven R. Nagel; payload specialist Hans Schlegel; payload commander Jerry L. Ross; and mission specialist Bernard A. Harris Jr.. The crew is at KSC for the Terminal Countdown Demonstration Test (TCDT), a dress rehearsal for launch.