Commander Dominic L. Gorie gets help with his helmet during suit and pre-pack fit check.

STS-108 Commander Dominic L. Gorie gets help with his helmet during suit and pre-pack fit check. Gorie and other crew members are preparing to take part in a simulated launch countdown, part of Terminal Countdown Demonstration Test activities. The TCDT also includes emergency exit training from the orbiter and launch pad. STS-108 is a Utilization Flight that will carry the replacement Expedition 4 crew to the International Space Station, as well as the Multi-Purpose Logistics Module Raffaello, filled with supplies and equipment. The l1-day mission is scheduled for launch Nov. 29 on Space Shuttle Endeavour