KENNEDY SPACE CENTER, FLA. -- In the Launch Pad 39A area, Mission STS-117 crew members receive instruction on emergency egress using the slidewire basket system during Terminal Countdown Demonstration Test activities. From left are Commander Rick Sturckow, Mission Specialist Patrick Forrester, Pilot Lee Archambault, and Mission Specialists Danny Olivas, Steven Swanson and James Reilly. The TCDT also includes M-113 armored personnel carrier training, and a simulated launch countdown. The mission payload aboard Space Shuttle Atlantis is the S3/S4 integrated truss structure, along with a third set of solar arrays and batteries. The crew of six astronauts will install the truss to continue assembly of the International Space Station. Photo credit: NASA/Kim Shiflett KSC-07pd0491
