Star Trek Expanded Universe

The Chief of Operations ensures an outpost or space station is functioning correctly. The position combines the equivalent positions of starship chief engineer and operations manager, with seniority over the Operations division. Either a senior non-commissioned officer or line officer can hold this position.

Miles O'Brien, a senior chief petty officer, was Chief of Operations aboard Deep Space 9 from 2369 until 2375. (DS9: "Emissary", et al.)

Alternate continuities[]

Star Trek: Avenger/Star Trek: Accord[]

Here, chief operations officer (aka chief of operations) was head of the Operations department within the Command division. The minimum grade for this billet depended on the size of the vessel or station. On capital ships, that grade was lieutenant commander, either brevet or permanent.

The Operations department included:

  • helm
  • navigations
  • mission support
  • flight, including designated shuttle and other auxiliary craft (including fighter) pilots

As well, yeomen may be tasked to this division. A flight surgeon would be in this division, though he/she may also report to the chief medical officer.

Source: USS Enterprise Officers' Manual

Fictional continuities who based their divisions and departments on this manual had their stories taking place from 2285 (when Star Trek II: The Wrath of Khan takes place) to the mid-24th century.

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