The crews who will be aboard Space Shuttle Endeavour on mission STS-108 pose for a group photo on the 215-foot level of the Fixed Service Structure. In front is the Expedition 4 crew, astronaut Daniel W. Bursch, Commander Yuri Onufrienko and astronaut Carl E. Walz. Standing behind them are Mission STS-108 Commander Dominic L. Gorie, Pilot Mark E. Kelly and Mission Specialists Linda A. Godwin and Daniel M. Tani. Both crews have been taking part in Terminal Countdown Demonstration Test activities that include a simulated launch countdown and emergency egress training. Behind them can be seen one of the twin solid rocket boosters and the larger external tank. Launch of Space Shuttle Endeavour on mission STS-108 is scheduled for Nov. 29 at 7:44 p.m. EST