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KENNEDY SPACE CENTER, FLA. - During emergency egress practice on the 195-foot level of the Fixed Service Structure, Launch Pad 39B, STS-112 Mission Specialist Sandra Magnus opens her helmet visor. She and the rest of the crew are taking part in Terminal Countdown Demonstration Test activities, which include a simulated launch countdown. Mission STS-112 aboard Space Shuttle Atlantis is scheduled to launch no earlier than Oct. 2, between 2 and 6 p.m. EDT. STS-112 is the 15th assembly mission to the International Space Station. Atlantis will be carrying the S1 Integrated Truss Structure, the f…
