Striding through the Vehicle Assembly Building are STS-116 crew members from Mark Polansky .

Striding through the Vehicle Assembly Building are STS-116 crew members (from left) Mark Polansky, commander; Nicholas Patrick, Sunita Williams, Christer Fugelsang and Joan Higginbotham, mission specialists. The crew is at KSC for a Crew Equipment Interface Test. Mission crews make frequent trips to the Kennedy Space Center to become familiar with the equipment and payloads they will be using. STS-116 will be mission 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