The STS-112 crew poses for a photo on the back of the M-113 armored personnel carrier they practiced driving.

The STS-112 crew poses for a photo on the back of the M-113 armored personnel carrier they practiced driving as part of Terminal Countdown Demonstration Test activities. From left are Mission Specialist David Wolf, Pilot Pamela Melroy, Mission Specialist Sandra Magnus, Commander Jeffrey Ashby, and Mission Specialists Piers Sellers and Fyodor Yurchikhin, who is with the Russian Space Agency. Mission STS-112 aboard Space Shuttle Atlantis is scheduled to launch no earlier than Oct. 2, between 2 and 6 p.m. EDT. STS-112 is the 15th assembly mission to the International Space Station. Atlantis will be carrying the S1 Integrated Truss Structure, the first starboard truss segment. The S1 will be attached to the central truss segment, S0, during the 11-day mission.