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KENNEDY SPACE CENTER, FLA. - In the Operations and Checkout Building at NASA Kennedy Space Center, STS-114 Mission Commander Eileen Collins dons her launch and entry suit before heading to the launch pad. Collins is making her fourth space flight on the historic Return to Flight mission STS-114 to the International Space Station. On its second attempt for launch, Discovery is scheduled to lift off at 10:39 a.m. EDT today from Launch Pad 39B. It is the 114th Space Shuttle flight and the 31st for Discovery. The 12-day mission is expected to end with touchdown at the Shuttle Landing Facility on Aug. 7.