International Space Station (ISS)

These seven astronauts take a break from training to pose for the STS-118 crew portrait. Pictured from the left are astronauts Richard A. “Rick” Mastracchio, mission specialist; Barbara R. Morgan, mission specialist; Charles O. Hobaugh, pilot; Scott J. Kelly, commander; Tracy E. Caldwell, Canadian Space Agency's Dafydd R. “Dave” Williams, and Alvin Drew Jr., all mission specialists. The crew members are attired in training versions of their shuttle launch and entry suits. The main objective of the STS-118 mission was to install the fifth Starboard (S5) truss segment on the International Space Station (ISS).