service module
noun
: a space vehicle module that contains oxygen, water, fuel cells, propellant tanks, and the main rocket engine
Examples of service module in a Sentence
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While Starliner’s crew module will return to Earth intact, its service module (containing the RCS thrusters and leaky helium system) will be jettisoned to incinerate in the upper atmosphere, curtailing any further direct investigations of malfunctioning components.
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Lee Billings, Scientific American, 26 June 2024
Complicating the matter is the fact that the helium and thruster problems are located within Starliner’s service module, which provides the bulk of the spacecraft’s engine power.
—Christian Davenport, Washington Post, 25 June 2024
The service module is jettisoned prior to re-entry and burns up in the atmosphere.
—William Harwood, CBS News, 21 June 2024
Of the five service module thrusters that failed during flight, all but one have been recovered, officials said.
—Jackie Wattles, CNN, 18 June 2024
See all Example Sentences for service module 
Lee Billings, Scientific American, 26 June 2024
Complicating the matter is the fact that the helium and thruster problems are located within Starliner’s service module, which provides the bulk of the spacecraft’s engine power.
—Christian Davenport, Washington Post, 25 June 2024
The service module is jettisoned prior to re-entry and burns up in the atmosphere.
—William Harwood, CBS News, 21 June 2024
Of the five service module thrusters that failed during flight, all but one have been recovered, officials said.
—Jackie Wattles, CNN, 18 June 2024
See all Example Sentences for service module
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'service module.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Service module.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/service%20module. Accessed 7 Jul. 2024.
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