The STS-120 crewmembers await the start of a training session in the Space Vehicle Mockup Facility at Johnson Space Center.

Attired in training versions of their shuttle launch and entry suits, the STS-120 crewmembers await the start of a training session in the Space Vehicle Mockup Facility at Johnson Space Center. From the left are astronauts Pamela A. Melroy, STS-120 commander; Daniel M. Tani, Expedition 16 flight engineer; George D. Zamka, STS-120 pilot; Douglas H. Wheelock, Scott E. Parazynski, Stephanie D. Wilson and European Space Agency's (ESA) Paolo Nespoli, all mission specialists. Tani is scheduled to join Expedition 16 as flight engineer after launching to the International Space Station on mission STS-120 and is scheduled to return home on mission STS-122.