The STS-112 crew pauses for a photo in the White Room during Terminal Countdown Demonstration Test activities.

The STS-112 crew pauses for a photo in the White Room during Terminal Countdown Demonstration Test activities. Kneeling in front are Mission Specialists Piers Sellers and David Wolf; standing, left to right, are Mission Specialist Sandra Magnus, Pilot Pamela Melroy, Commander Jeffrey Ashby and Mission Specialist Fyodor Yurchikhin. (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, to be attached to the central truss segment, S0, and the Crew and Equipment Translation Aid (CETA) Cart A. The CETA is the first of two human-powered carts that will ride along the ISS railway, providing mobile work platforms for future spacewalking astronauts.