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During Terminal Countdown Demonstration Test (TCDT) activities at NASAs Kennedy Space Center, STS-114 Mission Specialist Charles Camarda is getting ready to practice driving an M-113, an armored personnel carrier that is used for speedy departure from the launch pad in an emergency. Behind him are Mission Specialist Stephen Robinson and Capt. George Hoggard, who is astronaut rescue team leader, and, at right, Commander Eileen Collins. The TCDT is held at KSC prior to each Space Shuttle flight. It provides the crew of each mission an opportunity to participate in simulated countdown activities. The test ends with a mock launch countdown culminating in a simulated main engine cutoff. The crew also spends time undergoing emergency egress training exercises at the launch pad. STS-114 is the first Return to Flight mission to the International Space Station. The launch window extends July 13 through July 31.