Moonwalk's 40th Anniversary Photos
Astronaut Edwin E. "Buzz" Aldrin Jr., lunar module pilot, descends the steps of Lunar Module ladder as he prepares to walk on the moon, July 20, 1969.
(Photo: AP Photo/NASA)
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Astronaut Edwin E. "Buzz" Aldrin Jr., lunar module pilot, descends the steps of Lunar Module ladder as he prepares to walk on the moon, July 20, 1969.
(Photo: AP Photo/NASA)
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