CAPE CANAVERAL, FL - JULY 07: Kelleen Stewart signs a poster that reads, "Best Wishes Atlantis," at the Kennedy Space Center Visitor Complex one day before Space shuttle Atlantis is scheduled to ... more 
CAPE CANAVERAL, FL - JULY 07: Kelleen Stewart signs a poster that reads, "Best Wishes Atlantis," at the Kennedy Space Center Visitor Complex one day before Space shuttle Atlantis is scheduled to launch for the last mission of the space shuttle program on July 7, 2011 in Cape Canaveral, Florida. Atlantis is prepared to lift-off on Friday for a mission to the space station, an estimated one million people may show up to watch the launch, the last in the space shuttle program. (Photo by Joe Raedle/Getty Images) less 
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Getty Images | Photo By Joe Raedle / Getty Images
Thu, Jul 7, 2011 5:18 PM EDT