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
It is linked to four pressurized tanks in the service module.
—
Jennifer Borresen, USA Today, 5 Apr. 2026
If everything checks out, the service module’s main engine will fire Thursday evening to send the crew on a trajectory that will loop them around the Moon.
—Rob Pegoraro, PC Magazine, 3 Apr. 2026
The crew module and service module will be put together next summer and would be on plan to support launch soon after.
—Richard Tribou, The Orlando Sentinel, 3 Apr. 2026
Howard Hu, the program manager for Orion, said NASA was tracking an issue with the helium system that pressurizes Orion’s service module propulsion system to deliver fuel and oxidizer to the engine.
—Eric Berger, ArsTechnica, 3 Apr. 2026
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Jennifer Borresen, USA Today, 5 Apr. 2026
If everything checks out, the service module’s main engine will fire Thursday evening to send the crew on a trajectory that will loop them around the Moon.
—Rob Pegoraro, PC Magazine, 3 Apr. 2026
The crew module and service module will be put together next summer and would be on plan to support launch soon after.
—Richard Tribou, The Orlando Sentinel, 3 Apr. 2026
Howard Hu, the program manager for Orion, said NASA was tracking an issue with the helium system that pressurizes Orion’s service module propulsion system to deliver fuel and oxidizer to the engine.
—Eric Berger, ArsTechnica, 3 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 7 Apr. 2026.
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