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Before entering Atlantis from the White Room for a simulated launch countdown, STS-98 Pilot Mark Polansky (left) poses with Travis Thompson, who is the orbiter vehicle closeout chief. The White Room is an environmental chamber at the end of the orbiter access arm that mates with the orbiter to allow personnel to enter the orbiter’s crew compartment. Thompson is with United Space Alliance. The STS-98 crew is taking part in Terminal Countdown Demonstration Test activities, which also include emergency egress training at the pad. STS-98 is the seventh construction flight to the International Space Station, carrying as payload the U.S. Lab Destiny, a key element in the construction of the ISS. Launch of STS-98 is scheduled for Jan. 19 at 2:11 a.m. EST