A service module (or equipment module) is a spacecraft compartment containing a variety of support systems used for spacecraft operations. Usually located in the uninhabited area of the spacecraft, the service module is jettisoned upon the completion of the mission, and usually burns up during atmospheric reentry. The service module is the equivalent to the spacecraft bus assembly on unmanned spacecraft.
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Famous quotes containing the word service:
“O good old man, how well in thee appears
The constant service of the antique world,
When service sweat for duty, not for meed!”
—William Shakespeare (1564–1616)