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The STS-98 crew wave to onlookers as they walk out of the Operations and Checkout Building dressed for a simulated launch countdown at Launch Pad 39A. From left to right, they are Mission Specialist Thomas Jones, Pilot Mark Polansky, Mission Specialists Marsh Ivins and Robert Curbeam, being led by Commander Ken Cockrell. The crew is taking part in Terminal Countdown Demonstration Test activities, which include the countdown and 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

The STS-98 crew wave to onlookers as they walk out of the Operations and Checkout Building dressed for a simulated launch countdown at Launch Pad 39A. From left to right, they are Mission Specialist Thomas Jones, Pilot Mark Polansky, Mission Specialists Marsh Ivins and Robert Curbeam, being led by Commander Ken Cockrell. The crew is taking part in Terminal Countdown Demonstration Test activities, which include the countdown and 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