Mission Specialist Nicholas Patrick moves in close for a better look at the port integrated truss structure.

In the Space Station Processing Facility, STS-116 Mission Specialist Nicholas Patrick moves in close for a better look at the port integrated truss structure, P5, which is the primary payload on the mission. The crew is taking part in a Crew Equipment Interface Test that enables them 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