Vulcan ranks

The military of the Vulcan High Command maintained a rank structure roughly equivalent to that of the Starfleet. (ENT: "Broken Bow")

AdministratorEdit

The administrator of the High Command had the power to authorize military action against foreign governments. (ENT: "Kir'Shara")

Administrator V'Las

Fleet commanderEdit

Fleet commanders reported directly to the High Command. They oversaw and commanded fleet engagements. (ENT: "Kir'Shara")

CaptainEdit

Vulcan Captain 20th century uniform — A captain in 1957

Captain was the rank held by Vulcan starship commanders. (ENT: "Breaking the Ice")

Captain Oratt
Captain Sopek
Captain Tavek
Captain Tellus
Captain Tok
Captain Vanik
Captain Voris

Sub-commanderEdit

Muroc, cease fire — Sub-Commander Muroc in 2152

Sub-commander was a rank subordinate to a Vulcan captain. In dealing with Starfleet, a sub-commander was considered above the rank of commander and below the rank of captain. (ENT: "Broken Bow")

Sub-Commander Muroc
Sub-Commander T'Pol

MajorEdit

Major was a rank held by senior Vulcan field agents. (ENT: "Kir'Shara")

Major Talok

SubalternEdit

Subaltern was a rank that existed sometime before 2375. (VOY: "Infinite Regress")

Subaltern Lorot

SublieutenantEdit

Sublieutenant doorman — A sublieutenant in 2154

Sublieutenants were low-ranking members of the High Command, often manning security posts. (ENT: "Kir'Shara")

Rank insigniaEdit

Sublieutenants do not appear to have worn rank insignia.

**Ranks and Positions**
	Enlisted personnel						Commissioned officers							Generals and flag officers
Fleet:	CRM	PO		CPO		MID CDT	ENS	LT JG	LT	LT CMDR	CMDR	CAPT	FCAPT	CDORE	RADM	VADM	ADM	FADM
Military:	PVT AMN	CPL	SGT	SSGT	MSGT 1SGT	MID CDT	2nd LT	1st LT	CAPT	MAJ	LT COL	COL		BRIG	MAJ GEN	LT GEN	GEN	MARSHAL
Positions:	Boatswain • Chief • Corpsman • Engineer's mate • Specialist • Technician • Yeoman					TAC • SO • 3rd • 2nd • 1st • CO • DD							Portmaster • Chief of Staff • CinC
Services:	Andorian • Bajoran • Cardassian • Ferengi • Jem'Hadar • Klingon • Romulan • SS • United Earth MACO • United Earth/Federation Starfleet • United States • Vulcan Mirror universe: Terran Empire Starfleet • Terran Empire MACO

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 informationEdit

The Vulcan rank system seems to have been similar to the system used by the Romulans, perhaps suggestive of a common origin. Vulcans and Romulans are the only species in Trek shown to hold the ranks of sub-commander and sublieutenant.

The ranks of commander and lieutenant have never been referenced on-screen, although their existence at some point in Vulcan history can be inferred by their subordinate ranks.

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