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KENNEDY SPACE CENTER, FLA. - As afternoon storm clouds sweep across a dune near Launch Pad 39A, Space Shuttle Endeavour is seen from the back side. In front of it is the 290-foot-tall water tower that provides the deluge over the mobile launcher platform for sound suppression during liftoff. The shuttle arrived at the pad in the early morning after an 8:30 p.m. rollout on July 10. Endeavour is scheduled to launch on mission STS-118 on Aug. 7. During the mission, Endeavour will carry into orbit the S5 truss, SPACEHAB module and external stowage platform 3. The mission is the 22nd flight to the International Space Station and will mark the first flight of Mission Specialist Barbara Morgan, the teacher-turned-astronaut whose association with NASA began more than 20 years ago. STS-118 will be the first flight since 2002 for Endeavour, which has undergone extensive modifications, including the addition of safety upgrades already added to orbiters Discovery and Atlantis. Photo credit: NASA/Ken Thornsley