The command module was the backbone of NASA's Apollo program, which carried astronauts to the moon 50 years ago.

It was the only part of the Apollo 11 spacecraft that came back from the moon. Designing, testing and building it was a monumental task, according to two engineers who were part of the effort.

Jim Lovell, the commander of the famed Apollo 13 mission, has died, according to NASA. He was 97.

The Apollo 11 Command Module, "Columbia," was the living quarters for the three-person crew during most of the first manned lunar-landing mission. This Command Module, no. 107, manufactured by North ...

Use the controls at the bottom of the frame to navigate, zoom in and out, or view full-screen. Above: The Apollo Command Module on display at the Museum of Flight in Seattle, number 007A, is the ...

The command module performed so well that NASA felt confident in making a bold move — sending Apollo 8 all the way around the moon in December. Apollo 9 was an Earth-orbit test of the lunar module.

Though they spent the bulk of every Apollo mission mated as one spacecraft, the Apollo command-service module was actually two separate vehicles, only one of which came home.

On March 3, 1969, NASA launched the Apollo 9 mission to test the first crewed Lunar Module spacecraft that would pave the way for future moon landings. See how the mission worked in photos here.

The Apollo 11 command module Columbia is being prepared for a nationwide tour to the cities of Houston, St. Louis, Pittsburgh and Seattle, where it will serve as the centerpiece in an exhibit ...

The Apollo 11 Command Module, "Columbia," was the living quarters for the three-person crew during most of the first manned lunar-landing mission. This Command Module, no. 107, manufactured by North ...