KSC-06pd1837

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members conclude their emergency egress procedures on Launch Pad 39B. In the foreground is Mission Specialist Steven MacLean, who is with the Canadian Space Agency. At right is Mission Specialist Joseph Tanner. At far left is Mission Specialist Heidemarie Stefanyshyn-Piper. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston