(11/14/1999) --- STS-103 Commander Curtis L. Brown Jr. is happy to arrive at Kennedy Space Center to begin Terminal Countdown Demonstration Test (TCDT) activities. The TCDT provides the crew with emergency egress training, opportunities to inspect their mission payloads in the orbiter's payload bay, and simulated countdown exercises. Also participating are Pilot Scott J. Kelly, and Mission Specialists Steven L. Smith, C. Michael Foale (Ph.D.), John M. Grunsfeld (Ph.D.), Claude Nicollier of Switzerland, with the European Space Agency, and Jean-François Clervoy of France, also with the European Space Agency. The mission, to service the Hubble Space Telescope, is targeted for launch Dec. 6 at 2:37 a.m. EST aboard Space Shuttle Discovery