The rotating service structure rolls away from Space Shuttle Atlantis at the Kennedy Space Center at Cape Canaveral, Fla., Thursday July 7, 2011. Atlantis and a crew of four are scheduled to launch on... more 
The rotating service structure rolls away from Space Shuttle Atlantis at the Kennedy Space Center at Cape Canaveral, Fla., Thursday July 7, 2011. Atlantis and a crew of four are scheduled to launch on Friday, July 8 on the 135th and final space shuttle launch for NASA. (AP Photo/Stan Honda, Pool) less 
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Associated Press | Photo By Stan Honda, Pool
Thu, Jul 7, 2011 5:36 PM EDT