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Commander is a rank used by the service organizations of many civilizations.

On Earth, this rank has a history dating back to at least the 20th century to the old seagoing navies, and has equivalents used by numerous species and cultures on several planets. The rank of commander is superior to a lieutenant commander but junior to a captain.

Starfleet commandersEdit

In Starfleet, the rank of commander is typically held by the first officers of various starships and is also granted to the commanding officers of outposts, space stations and starbases.

In Starfleet, a prerequisite to becoming a commander is by taking the Bridge Officer's Test. As commanders prove their leadership ability over time, they are considered for the difficult and highly competitive promotion to captain.

Romulan commandersEdit

In the militaries of the Romulan Star Empire and Romulan Republic the rank of commander was instead an OF-6 grade, equivalent to a Starfleet captain, and translated to "riov" in Rihan. The OF-5 rank was instead called subcommander. Riovir were known to serve as military governors on occasion.

Rank insignia of Starfleet commandersEdit

Command-Service Command-Duty Operations-Service Operations-Duty Sciences-Service Sciences-Duty
2270s 2270 Command Commander 2270 Engineering Commander 2270 Medical Commander
2270s 2270 - CDR (White)-1-
2280s 2285 Command Commander 2285 Engineering Commander 2285 Medical Commander
2350s 2350 - CDR (Command)-1-
2360s 2366 S-Command Commander 2366 D-Command Commander 2366 S-Engineering Commander 2366 D-Engineering Commander 2366 S-Medical Commander 2366 D-Medical Commander
2370s 2373 Command Commander 2373 Engineering Commander 2373 Medical Commander

Interservice comparisonsEdit

Enlisted ranks Commissioned ranks Flag ranks
Federation,
Starfleet
CR
CA
CREW
PO3
PO2
PO1
CPO
SCPO
MCPO
MCPOS ENS LTJG LT LCDR CDR CAPT RALH RADM VADM ADM FADM
Romulan Uhlan Decurion ACENT
(erein)
SUBLT
(erei'arrain)
LT
(arrain)
CENT
(enarrain)
SCDR
(erei'riov)
CDR
(riov)
SADM
(khre'riov)
VADM
(erei'enriov)
ADM
(enriov)
HADM
(rahaen'enriov)
FADM
(khre'enriov)

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Related linksEdit

External linksEdit

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