At the 195-foot level on the Fixed Service Structure, Launch Pad 39B, members of the STS-102 crew relax after emergency escape training. From left are Mission Specialists Paul Richards, Andrew Thomas and Susan Helms, and Commander James Wetherbee. The crew is at KSC for Terminal Countdown Demonstration Test activities, which include the emergency training and a simulated launch countdown. STS-102 is the eighth construction flight to the International Space Station, with Space Shuttle Discovery carrying the Multi-Purpose Logistics Module Leonardo. Helms is part of the Expedition Two crew who will be on the mission to replace Expedition One on the International Space Station. Expedition One will return to Earth with Discovery. Launch on mission STS-102 is scheduled for March 8