STS-112 Mission Specialist Fyodor Yurchikhin, with the Russian Space Agency, Ashby is ready for his practice run driving the M-113 armored personnel carrier. Yurchikhin and the rest of the crew are at KSC for Terminal Countdown Demonstration Test activities, which also include a simulated launch countdown. 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.