Lieutenant Commander

Union Fleet Lieutenant Commander's shoulder bars.

Lieutenant Commanders (Lt. Commander) serve in the positions of chiefs of departments or as Second Officer of a vessel. Lieutenant Commander ranks below Commander and above Lieutenant.

Lieutenant Commander may serve in positions such as section chiefs, responsible for the functioning of a department such as Engineering, Security, or Medical. A Lieutenant Commander may also serve as a commander of the bridge in the position of Second Officer to the Captain and First Officer.

Lieutenant CommandersEdit

Strictly speaking, most if not all Union officers of a higher rank seen would have been Lieutenant Commanders. The following are those who are definitively seen as such.



  1. Episode 1x01: Old Wounds
  2. Episode 1x11: New Dimensions
  3. Episode 1x11: New Dimensions
  4. Episode 1x01: Old Wounds
  5. Episode 1x01: Old Wounds
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