EDWIN ALDRIN JR / BUZZ ALDRIN: ** FILE ** Astronaut Edwin E. Aldrin, Jr., lunar module pilot, descends steps of Lunar Module ladder as he prepares to walk on the moon, July 20, 1969. He had just egressed the Lunar Module. This picture was taken by Astronaut Neil A. Armstrong, Commander, with a 70mm surface camera during the Apollo 11 extravehicular activity. (AP Photo/NASA)