After Atlantis returns from mission STS-135, the Space Shuttle program will come to an end. Take a look back at photos from shuttle launches, preparations and space missions over the years.
History of the U.S. space shuttle program
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Space Shuttle Atlantis lands at Kennedy Space Center July 21, 2011 in Cape Canaveral, Florida. Atlantis was the final shuttle mission for NASA, ending the 30 years of the shuttle program.
