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
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.
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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
When reentry occurs, Orion's service module responsible for propelling and maneuvering the vehicle through space will separate and burn up, exposing the crew module's heat shield that protects the astronauts from the 3,000-degree Fahrenheit conditions the vehicle will endure.
—Eric Lagatta, USA Today, 10 Apr. 2026
Once separated, the service module will be discarded, reenter Earth's atmosphere and burn up over the Pacific Ocean.
—Tariq Malik, Space.com, 10 Apr. 2026
See All Example Sentences for service module
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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
When reentry occurs, Orion's service module responsible for propelling and maneuvering the vehicle through space will separate and burn up, exposing the crew module's heat shield that protects the astronauts from the 3,000-degree Fahrenheit conditions the vehicle will endure.
—Eric Lagatta, USA Today, 10 Apr. 2026
Once separated, the service module will be discarded, reenter Earth's atmosphere and burn up over the Pacific Ocean.
—Tariq Malik, Space.com, 10 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 3 May. 2026.
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