S96-08027 (22 April 1996) --- The crew talk to the news media at Launch Pad 39B, at the Kennedy Space Center (KSC). From left are astronauts Andrew S. W. Thomas, mission specialist; Mario Runco, Jr., mission specialist; John H. Casper, commander; Daniel W. Bursch, mission specialist; Marc Garneau, mission specialist representing the Canadian Space Agency (CSA); and Curtis L. Brown, Jr., pilot. The astronauts are at KSC for the Terminal Countdown Demonstration Test (TCDT), a dress rehearsal for launch, the Space Shuttle Endeavour is undergoing preparations at Pad 39B for liftoff on the fourth Shuttle flight of 1996 around May 16, 1996.