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
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It was later identified as part of the service module from a SpaceX Crew Dragon capsule that had carried four astronauts back to Earth from the International Space Station earlier that year. Denise Chow, NBC news, 20 Oct. 2025 Their primary task completed, Ryzhikov and Zubritsky then made their way to the Zvezda service module to remove and dispose of a high-definition television system that was originally a part of a Canadian commercial payload. Robert Z. Pearlman, Space.com, 16 Oct. 2025 On command, the Arc would detach from the service module and reenter the atmosphere at Mach 20+ with a high sustained g-load to arrive at any location within its orbital inclination zone. David Szondy october 13, New Atlas, 13 Oct. 2025 The latest mission will have more capacity for experiments, flying with a service module attached to the rear for the third time. Richard Tribou, The Orlando Sentinel, 21 Aug. 2025 See All Example Sentences for service module

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of service module was in 1961

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Cite this Entry

“Service module.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/service%20module. Accessed 30 Oct. 2025.

Kids Definition

service module

noun
: a part of a space vehicle containing oxygen, water, fuel cells, fuel tanks, and the main rocket engine
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