View of Orbiter Atlantis after undocking from the ISS during Expedition 13

ISS013-E-81231 (17 Sept. 2006) --- The Space Shuttle Atlantis, backdropped against clouds over Earth, is pictured after it undocked from the International Space Station at 7:50 a.m. CDT, Sept. 17, 2006. The STS-115 astronauts completed six days, two hours and two minutes of joint operations with the station crew.