Memory Alpha

First officer

38,240pages on
this wiki
Revision as of 07:12, July 28, 2012 by (Talk)

Multiple realities
(covers information from several alternate timelines)

Aboard a starship the first officer was the second-in-command, just below the captain. On a Federation starship, the first officer had the following functions:

In Starfleet the position was usually held by an officer with the rank of commander or lieutenant commander. The position was also referred to as executive officer (or XO).

In Starfleet's early period of existence, the first officer would accompany the captain on landing parties, depending on the situation. By the 24th century, however, it was the first officer who usually led away teams while the captain remained on the ship.

In the 22nd and 23rd centuries, the first officer would serve as a department head first and the executive officer second (similar to the second officer and third officer) and only took command when the captain left the bridge, as such, there was no first officer's station as there would be in the 24th century, as the XO would alternate between the command chair and their station as a department head.

Some noted first officers in Starfleet history were:

The Starfleet of the alternate reality established in 2233 by the temporal incursion of the Romulan Nero had the following noteworthy first officers:

List of first officers

Earth Starfleet


  • Commander Chakotay
    • USS Voyager (2371-2378)
  • Lieutenant Commander Data
    • USS Enterprise (NCC-1701-D) (2369)
  • Lieutenant Commander/Commander Shelby
    • USS Enterprise (NCC-1701-D) (2367)

Klingon Empire

  • Commander Kurn
    • USS Enterprise (NCC-1701-D) (2366, part of the Officer Exchange Program)


Mirror universe

Alternate timelines

  • Lieutenant Sato
    • Enterprise NX-01 (2165)
  • Commander Thelin
    • USS Enterprise (NCC-1701) (2269)
  • Commander Worf
    • USS Enterprise (NCC-1701-D) (2367-2370)
This chart shows only general equivalencies based on the ranks used by many governments on Earth, as well as the rest of the galaxy.



External link

Around Wikia's network

Random Wiki