KENNEDY SPACE CENTER, FLA. -- STS-116 Mission Specialist Joan Higginbotham is greeted by Kennedy Space Center Deputy Director Bill Parsons at the Shuttle Landing Facility. The STS-116 crew has returned to KSC for the terminal countdown demonstration test, which are pre-launch preparations that include a simulated launch countdown. The crew also includes Commander Mark Polansky, Pilot William Oefelein, Mission Specialists Nicholas Patrick, Robert Curbeam, Christer Fuglesang and Flight Engineer Sunita Williams, joining Expedition 14 in progress. The 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