RETRANSMISSION TO CORRECT PHOTOGRAPHERS NAME - NASA employees sign a banner at the Kennedy Space Center at Cape Canaveral, Fla. Thursday, July 21, 2011. Space shuttle Atlantis landed early Thursday, ... more 
RETRANSMISSION TO CORRECT PHOTOGRAPHERS NAME - NASA employees sign a banner at the Kennedy Space Center at Cape Canaveral, Fla. Thursday, July 21, 2011. Space shuttle Atlantis landed early Thursday, ending NASA's 30-year space shuttle program. (AP Photo/Dr. Scott M. Lieberman) less 
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Associated Press | Photo By Dr. Scott M. Lieberman
Fri, Jul 22, 2011 7:12 PM EDT