关于这张图
STS-103 Mission Specialists Jean-François Clervoy of France takes his seat inside the Space Shuttle Discovery during a practice launch countdown, part of Terminal Countdown Demonstration Test (TCDT) activities, while astronaut David "Doc" Brown checks him out. The TCDT also provides the crew with emergency egress training and opportunities to inspect their mission payload in the orbiter's payload bay. Other crew members taking part in the TCDT are Commander Curtis L. Brown Jr., Pilot Scott J. Kelly, and Mission Specialists Steven L. Smith, C. Michael Foale (Ph.D.), John M. Grunsfeld (Ph.D.), a…
