ISS028-E-016090 (12 July 2011) --- NASA astronaut Mike Fossum, Expedition 28 flight engineer, is pictured in the International Space Station's Quest airlock prior to the July 12 spacewalk he performed outside the docked station and space shuttle Atlantis with station crewmate Mike Fossum (out of frame). NASA astronauts Garan and Fossum a short time later joined forces to complete some needed chores during the six and half hour spacewalk.