Crewmembers on the International Space Station give a "thumbs-up" signal following a successful spacewalk while the space shuttle Atlantis was docked with the station. Pictured (from the left, clockwise) are astronauts Jim Reilly, Danny Olivas, Steven Swanson, Sunita Williams, all STS-117 mission specialists; Clayton Anderson, Expedition 15 flight engineer; Patrick Forrester, STS-117 mission specialist; and Rick Sturckow, STS-117 commander. Credit: NASA.
