STENNIS SPACE CENTER, Miss. - Crew members of space shuttle Atlantis' final mission, STS-135, will visit NASA's John C. Stennis Space Center on Thursday, Aug. 11, at 8:45 a.m. to thank employees for their part in a safe mission. Atlantis completed its final flight on July 21.The mission also marked the final flight of NASA's Space Shuttle Program. Atlantis was launched on its maiden STS-51-J mission in October 1985. During its 26 years in service, the orbiter flew 33 missions and logged more than 131 million miles in space. Atlantis and sister crafts Discovery and Endeavour now are being prepared for permanent display at selected sites.(Source: NASA, 08/08/11)