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KENNEDY SPACE CENTER, FLA. -- The crew members of mission STS-120 arrive at NASA's Kennedy Space Center Shuttle Landing Facility aboard T-38 jet aircraft to take part in terminal countdown demonstration test activities. The T-38 jet aircraft on which Mission Specialist Doug Wheelock arrived is shown here. Wheelock will be making his first shuttle flight and will perform three spacewalks during the STS-120 mission. The terminal countdown demonstration test provides astronauts and ground crews an opportunity to participate in various simulated countdown activities, including equipment familiari…
