Apollo 11astronaut Edwin 'Buzz' Aldrin taking his first step on the Moon, 1969.

Aldrin became the second man to walk on the Moon after he stepped off this ladder on 20th July 1969. The picture was taken by Neil Armstrong, the first man on the Moon. The third member of the Apollo 11 crew, Michael Collins, remained in lunar orbit in the Apollo Command and Service Module while Armstrong and Aldrin were on the surface.