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KENNEDY SPACE CENTER, FLA. -- The crew members of mission STS-117 are suiting up for a launch attempt at 7:38 p.m. EDT from Launch Pad 39A aboard Space Shuttle Atlantis. Pictured here is Mission Specialist James Reilly, who gets help with his boot. Reilly is making his third shuttle flight. The shuttle is delivering a new segment to the starboard side of the International Space Station's backbone, known as the truss. Three spacewalks are planned to install the S3/S4 truss segment, deploy a set of solar arrays and prepare them for operation. STS-117 is the 118th space shuttle flight, the 21st flight to the station, the 28th flight for Atlantis and the first of four flights planned for 2007. Photo credit: NASA/Kim Shiflett