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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As Orion drifts away, the service module can be seen reflected in the capsule's mirror-like heat shield.
—
Josh Dinner, Space.com, 18 May 2026
With low-Earth orbit that could be more in the 200-500 miles altitude range, NASA will just rely on the service module for all the propulsion needed once the SLS sends Orion into space after launch.
—Richard Tribou, The Orlando Sentinel, 14 May 2026
Then, sometime this summer, ground teams at Kennedy will connect the Orion crew module to the ship’s service module before preparing the spacecraft for fueling.
—Stephen Clark, ArsTechnica, 28 Apr. 2026
The problem stems from a leak in the service module’s propulsion system, which affects the pressurization of propellant tanks.
—Jackie Wattles, CNN Money, 11 Apr. 2026
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Josh Dinner, Space.com, 18 May 2026
With low-Earth orbit that could be more in the 200-500 miles altitude range, NASA will just rely on the service module for all the propulsion needed once the SLS sends Orion into space after launch.
—Richard Tribou, The Orlando Sentinel, 14 May 2026
Then, sometime this summer, ground teams at Kennedy will connect the Orion crew module to the ship’s service module before preparing the spacecraft for fueling.
—Stephen Clark, ArsTechnica, 28 Apr. 2026
The problem stems from a leak in the service module’s propulsion system, which affects the pressurization of propellant tanks.
—Jackie Wattles, CNN Money, 11 Apr. 2026
See All Example Sentences for service module
Cite this Entry
“Service module.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/service%20module. Accessed 21 May. 2026.
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