STS-116 Mission Specialist Nicholas Patrick checks the fit of his gloves during suit fit-check, part of the prelaunch preparations during terminal countdown demonstration test (TCDT) activities. The mission crew is at KSC for the TCDT, which includes a simulated launch countdown. The STS-116 mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. Launch is scheduled for no earlier than Dec. 7. Photo credit: NASA/Kim Shiflett