When an explosion rocked Apollo 13's service module on April 13, 1970, the vehicle's vital role, and that of the attached command module spacecraft, suddenly became crystal clear. The astronauts ...

The Apollo Command Service Module served as a home away from home en route to the Moon and safely returned every last astronaut back to Earth.

It wasn’t a glamorous flight to the Moon or an exciting test of the exotic lunar module. It was a shakedown cruise of the core Apollo spacecraft, the command and service module (CSM), in Earth ...

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.

The lunar module is being approached by the command and service module for the final rendezvous of the Apollo 16 mission.

Apollo 7 launched on Oct. 11, 1968, with the goal of demonstrating the capabilities of the command and service module and its crew.

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.

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.

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.