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:
“We too are ashes as we watch and hear
The psalm, the sorrow, and the simple praise
Of one whose promised thoughts of other days
Were such as ours, but now wholly destroyed,
The service record of his youth wiped out,
His dream dispersed by shot, must disappear.”
—Karl Shapiro (b. 1913)