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
Recent Examples on the Web
This has been a persistent, ongoing leak caused by cracks in the PrK transfer tunnel which connects to the Russian Zvezda service module.
—
Chelsea Gohd, Space.com, 9 June 2026
The agency noticed a slow pressure drop in the Zvezda service module transfer tunnel, known as PrK, in May after a Russian cargo ship arrived at the ISS, according to CBS News.
—Abigail Adams, PEOPLE, 5 June 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
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Chelsea Gohd, Space.com, 9 June 2026
The agency noticed a slow pressure drop in the Zvezda service module transfer tunnel, known as PrK, in May after a Russian cargo ship arrived at the ISS, according to CBS News.
—Abigail Adams, PEOPLE, 5 June 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
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 11 Jun. 2026.
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