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At the slidewire area of Launch Pad 39B, the STS-103 crew listen to use of the emergency egress equipment. From left are the trainer, with crew members Mission Specialists Steven L. Smith, Jean-François Clervoy of France, Claude Nicollier of Switzerland, John M. Grunsfeld (Ph.D.), Pilot Steven J. Kelly, C. Michael Foale (Ph.D.), and (kneeling) Commander Curtis L. Brown Jr. Clervoy and Nicollier are both with the European Space Agency. As a preparation for launch, the crew have been participating in Terminal Countdown Demonstration Test (TCDT) activities at KSC. The TCDT provides the crew with …