(11/09/2001) -- The Expedition 4 crew sit in the slidewire basket, part of the emergency egress system from the 195-foot level of the Fixed Service Structure on Launch Pad 39B. Ready to reach for the release handle is (left) astronaut Daniel W. Bursch; in the center is Commander Yuri Onufrienko, and on the right is astronaut Carl E. Walz. Expedition 4, which is the replacement resident crew for the International Space Station, is traveling to the Space Station as part of mission STS-108. The training is part of Terminal Countdown Demonstration Test activities that also include a simulated launch countdown.. Launch of Space Shuttle Endeavour on mission STS-108 is scheduled for Nov. 29 at 7:44 p.m. EST