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Commodore was a rank, originally naval and later adopted by Starfleet. As a traditional grade, commodore was the most junior flag officer rank or the most senior line officer rank, of a naval organization, under an admiral rank (usually under rear admiral) but senior to a captain. Commodores normally commanded groups of ships, as opposed to captains commanding single ships or units. Some, such as Matt Decker, commanded single Constitution class vessels. In comparison to other ranking systems, this rank was equivalent to the military brigadier or brigadier general, or the navy alternative Rear Admiral, Lower Half. They could also command starbases, such as Starbase Yorktown. (Star Trek Beyond)

The United Earth Starfleet used the rank of commodore in the 2140s and 2150s. (ENT: "First Flight", "Shockwave, Part II")

In 2364, several commodores issued commands in mission orders to starship captains. These orders were read by Lieutenant Commander Data in the android's investigation into a suspected conspiracy among the higher members of Starfleet Command. (TNG: "Conspiracy")

In 2366, Geordi La Forge sarcastically referred to his Romulan captor, Centurion Bochra, as "commodore," to which Bochra eventually corrected La Forge as to his proper name and title. (TNG: "The Enemy")

According to a deleted lines from the script, upon learning Bochra's name, La Forge quipped, "And you're a centurion. Well, stay with it, you'll be a commodore someday."

The rank was still in use as of 2399. (PIC: "Maps and Legends")

Notable Starfleet commodores

This chart shows only general equivalencies based on the ranks used by many governments on Earth, as well as the rest of the galaxy.


Background information

The first mention of the rank of commodore in Star Trek: The Original Series occurred in the episode "Court Martial". Apart from its Original Series usage, a commodore is spoken of in radio traffic heard at the start of Star Trek: The Motion Picture. A commodore "movie pin" is also seen in Star Trek IV: The Voyage Home. The rank has appeared in ENT, being mentioned in "First Flight" and appearing on background characters in "First Flight", "Shockwave, Part II", "Home", and the "Demons"/"Terra Prime" two-parter. The latter featured the only female commodore seen in the prime universe until Commodore Oh in Star Trek: Picard.

The first mention of the rank of commodore in Star Trek: The Next Generation occurred in the episode "Conspiracy". La Forge calling Bochra "commodore" in "The Enemy" was the only time that the rank was ever spoken of in dialogue in the series. It was, however, listed in the rank guide used by Robert Blackman and the TNG wardrobe department.[1]

The rank was not seen or referenced in Star Trek: Deep Space Nine or Star Trek: Voyager.

In the United States Navy, the rank of commodore has been phased out (although its use as a title remains for a senior captain who commands a group of ships), and the lowest flag officer rank is currently referred to as "rear admiral (lower half)".


In Before Dishonor, Captain Mackenzie Calhoun informs Captain Picard that, since he is in command of a group of starships, it would be proper for him to be referred to as Commodore Picard rather than Captain Picard. The rank also features prominently in the novel Imzadi, where the rank of commodore is held by a future version of Data. Benjamin Sisko is referred to as a Commodore in Sacrifice of Angels by Charlie Reynolds.

Several non-canon reference manuals, among them the Star Trek: The Next Generation Officer's Manual, describe a five collar pip commodore insignia in use during the 24th century. Such an insignia, however, has never appeared in an actual Star Trek production.

Commodore is one of the ranks held by Federation admirals Aaron, Bullock, and Savar in the video game Star Trek: Conquest.

In the alternate reality-set 2013 video game Star Trek, Commodore Daniels (β) is the commander of Frontier 17 (β)'s starbase.

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