Crew members for space shuttle Endeavour's STS-126 mission pose for the traditional photo celebrating the launch at NASA's Kennedy Space Center.

Crew members for space shuttle Endeavour's STS-126 mission pose for the traditional photo celebrating the upcoming launch at NASA's Kennedy Space Center in Florida. From left are Mission Specialists Sandra Magnus and Shane Kimbrough, Pilot Eric Boe, Commander Chris Ferguson, and Mission Specialists Donald Pettit, Heidemarie Stefanyshyn-Piper and Steve Bowen. STS-126 is the 124th space shuttle flight and the 27th flight to the International Space Station. The mission will feature four spacewalks and work that will prepare the space station to house six crew members for long- duration missions. Liftoff is scheduled for 7:55 p.m. EST Nov. 14. Photo credit: NASA/Kim Shiflett