The Apollo 11 Command Module Columbia
was the living quarters and overall spacecraft control center
for the three-man crew during most of the first manned lunar landing
mission in July 1969. On July 16, 1969, Neil Armstrong, Buzz Aldrin
and Michael Collins climbed into Columbia for their 8-day journey.
The Command Module was one of three parts of the complete Apollo
spacecraft. The other two were the Service Module and the Lunar
Module. The Service Module contained the main spacecraft propulsion
system and consumables (oxygen, water, propellants, and hydrogen).
The Lunar Module was the part Armstrong and Aldrin would use to
descend to the moon's surface. Columbia is the only portion
of this historic spacecraft that returned to earth.