Welcome to Star Trek Answers. What would you like to know?

TOS-era, it meant Command division, which included Helm and Navigation as well as commanding starships. For TNG-era, it was Operations, which included Security and Engineering.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.