command module: meaning, definition, pronunciation and examples
C1technical, historical
Quick answer
What does “command module” mean?
The primary control cabin of a spacecraft, housing the crew and flight controls.
Audio
Pronunciation
Definition
Meaning and Definition
The primary control cabin of a spacecraft, housing the crew and flight controls.
In project management, a central unit responsible for coordination and decision-making; metaphorically, any central control point.
Dialectal Variation
British vs American Usage
Differences
No significant lexical difference. The term is used identically in both contexts, heavily influenced by American space agency terminology.
Connotations
Evokes mid-20th century space race history, particularly Apollo missions. In British usage, it may be slightly more associated with American achievements.
Frequency
Low frequency in general discourse, but standard in historical and technical discussions of spaceflight.
Grammar
How to Use “command module” in a Sentence
The [spacecraft] consisted of a command module and a [service/lunar module].[Astronauts] returned to Earth in the command module.The command module [separated/docked/re-entered].Vocabulary
Collocations
Examples
Examples of “command module” in a Sentence
noun
British English
- The command module of the Apollo spacecraft was surprisingly cramped.
- After the explosion, the crew sought refuge in the command module.
American English
- The command module splashed down in the Pacific Ocean.
- NASA engineers meticulously tested every system in the command module.
Usage
Meaning in Context
Business
Rare, but can be used metaphorically: 'The CEO's office acted as the command module for the merger.'
Academic
Used in history of technology, aerospace engineering, and Cold War studies.
Everyday
Very low frequency. Mostly used in discussions of space history or documentaries.
Technical
Standard term in aerospace design, mission architecture, and space history.
Vocabulary
Synonyms of “command module”
Vocabulary
Antonyms of “command module”
Watch out
Common Mistakes When Using “command module”
- Using 'control module' (more general, for machinery) instead of 'command module' (specific to crewed spacecraft).
- Confusing with 'command center' (ground-based).
FAQ
Frequently Asked Questions
Not typically. Modern vehicles like Crew Dragon or Soyuz are usually called 'crew capsules' or simply 'spacecraft'. 'Command module' is historically tied to the Apollo-era design.
The command module housed the crew and controls. The service module, attached to it, contained engines, fuel, oxygen, and power systems, and was discarded before re-entry.
No, that is a 'mission control center' or 'ground control'. The command module is specifically the part of the spacecraft that goes into space.
No. The Space Shuttle had an integrated crew cabin (the 'flight deck' and 'mid-deck'), not a separate, detachable command module.
The primary control cabin of a spacecraft, housing the crew and flight controls.
Command module is usually technical, historical in register.
Command module: in British English it is pronounced /kəˈmɑːnd ˈmɒdʒuːl/, and in American English it is pronounced /kəˈmænd ˈmɑːdʒuːl/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “All systems are go in the command module.”
Learning
Memory Aids
Mnemonic
Imagine a military COMMANDer sitting in the main MODULE of a spaceship – it's where commands are given.
Conceptual Metaphor
THE SPACECRAFT IS A BODY (the command module is the brain/head).
Practice
Quiz
In the Apollo spacecraft architecture, the command module was primarily responsible for: