The End of an Era Atlantis’ landing today marked the 133rd and final mission of NASA’s shuttle program. (Photo: A crowd of people watch the launch of STS-1, NASA’s first space shuttle mission. April 12, 1981.  SPACE FRONTIERS/GETTY IMAGES)

The End of an Era

Atlantis’ landing today marked the 133rd and final mission of NASA’s shuttle program.

(Photo: A crowd of people watch the launch of STS-1, NASA’s first space shuttle mission. April 12, 1981.  SPACE FRONTIERS/GETTY IMAGES)

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