Apollo 11 astronauts Buzz Aldrin, Neil Armstrong, and Michael Collins prepare for their historic flight.

Apollo 11 lifts off.

Lift off of an Apollo program flight.

Spectators cheer the successful launch of an Apollo mission.

An Apollo flight jettisons a booster stage during its ascent.

Mission Control.

Apollo program astronaut enjoys the near-zero gravity environment of space.

An Apollo Lunar Module orbits the Moon

Apollo 11 astronaut explores the lunar surface.

Apollo program astronaut plants the U.S. Flag on the Moon.

Apollo program astronaut experiments with new methods of locomotion on the Moon.

Driving the Lunar Rover during an Apollo mission.

View of an "Earthrise" from the Moon.

Apollo 11 astronauts receive a hero's welcome upon returning to Earth.