The crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad.

The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. Seen here are Mission Specialists Heidemarie Stefanyshyn-Piper and Daniel Burbank, Pilot Chris Ferguson, Mission Specialist Steven MacLean and Commander Brent Jett. MacLean is with the Canadian Space Agency. Not seen is Mission Specialist Joseph Tanner. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens 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