Astronaut Edwin E. Aldrin Jr., lunar module pilot, egresses the Lunar Module (LM) "Eagle" and begins to descend the steps of the LM ladder as he prepares to walk on the moon. This photograph was taken by astronaut Neil A. Armstrong, commander, with a 70mm lunar surface camera during the Apollo 11 extravehicular activity (EVA).
While astronauts Armstrong and Aldrin descended in the LM "Eagle" to explore the moon, astronaut Michael Collins, command module pilot, remained with the Command and Service Modules (CSM) "Columbia" in lunar orbit.
The National Aeronautics and Space Administration (NASA) is an independent agency of the United States Federal Government responsible for the civilian space program, as well as aeronautics and aerospace research.
The Apollo program, also known as Project Apollo, was the third United States human spaceflight program carried out by the National Aeronautics and Space Administration, which succeeded in landing the first humans on the Moon from 1969 to 1972.
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