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
The stage is nearly equal in diameter to Orion and its service module, has been proven reliable on all of ULA's Vulcan missions to date, and doesn't need to be designed from scratch to support the needs of future Artemis launches.
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Josh Dinner, Space.com, 4 Mar. 2026
Interestingly, this series of tests aligns Artemis III more closely with the historical role of Apollo 7, which focused on evaluating the command and service module in Earth orbit.
—Marcos Fernandez Tous, The Conversation, 4 Mar. 2026
Some early reports indicated that the fire started in the service module and then spread to the command module.
—Orlando Sentinel Staff, The Orlando Sentinel, 26 Jan. 2026
The Orion service module, which contains the engines, propellant, water and experiments, will then separate from the crew module, exposing the capsule’s heat shield, which will protect the crew from the extreme temperature of re-entry.
—Matthew Glasser, ABC News, 20 Jan. 2026
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Josh Dinner, Space.com, 4 Mar. 2026
Interestingly, this series of tests aligns Artemis III more closely with the historical role of Apollo 7, which focused on evaluating the command and service module in Earth orbit.
—Marcos Fernandez Tous, The Conversation, 4 Mar. 2026
Some early reports indicated that the fire started in the service module and then spread to the command module.
—Orlando Sentinel Staff, The Orlando Sentinel, 26 Jan. 2026
The Orion service module, which contains the engines, propellant, water and experiments, will then separate from the crew module, exposing the capsule’s heat shield, which will protect the crew from the extreme temperature of re-entry.
—Matthew Glasser, ABC News, 20 Jan. 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 10 Mar. 2026.
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