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In the slidewire basket on Launch Pad 39B, STS-103 Mission Specialist C. Michael Foale (Ph.D.) gets ready to pull the lever, which will release the basket. With Foale are fellow crew members Mission Specialists Claude Nicollier of Switzerland and John M. Grunsfeld (Ph.D.). The baskets are part of the emergency egress system for persons in the Shuttle vehicle or on the Rotating Service Structure. Seven slidewires extend from the orbiter access arm, with a netted, flatbottom basket suspended from each wire. The STS-103 crew are taking part in Terminal Countdown Demonstration Test (TCDT) activiti…