The military forces of the Vulcan High Command maintained a rank structure roughly equivalent to that of the Starfleet. (ENT: "Broken Bow")
Fleet commander[]
Fleet commanders reported directly to the High Command. They oversaw and commanded fleet engagements. (ENT: "Kir'Shara")
Captain[]
Captain was the rank commonly held by Vulcan starship commanders and other senior officers. (ENT: "Breaking the Ice", "Stigma") In the 1950s, Vulcan ship captains wore an angular-swirl insignia mirrored on the left and right collar, and additional dark striping from other officers on their uniform. (ENT: "Carbon Creek")
By 2151, Vulcan captains wore a single rank pin on their left collar. (ENT: "Breaking the Ice")
- Captain Oratt
- Captain Sokel
- Captain Sopek
- Captain Tavek
- Captain Tellus
- Captain Tok
- Captain Vanik
- Captain Voris
The It's A Wrap! sale and auction included several sets of Vulcan captain insignia, some with the accompanying uniform. [1](X) [2](X) [3](X) [4](X) [5](X) [6](X) [7](X)
Sub-commander[]
Sub-commander insignia (2151)
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")
Major[]
Major Talok (2154)
Major was a rank held by senior Vulcan field agents. (ENT: "Kir'Shara")
- Major Talok
Subaltern[]
Subaltern was a rank that existed sometime before 2375. (VOY: "Infinite Regress")
- Subaltern Lorot
Sublieutenant[]
A sublieutenant (2154)
Sublieutenants were junior officers of the High Command. A sublieutenant manned a security post outside Administrator V'Las' office. (ENT: "Kir'Shara")
The sublieutenant in "Kir'Shara" did not wear rank insignia.
| Enlisted personnel | Commissioned officers | Flag officers | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fleet: | CRM | PO | CPO | MID CDT OC WO |
ENS | LT JG | LT | LT CMDR | CMDR | CAPT | FCAPT | CDORE | RADM | VADM | ADM | FADM | ||||
| Military: | PVT AMN |
CPL LCP |
SGT | SSGT | MSGT 1SGT |
2nd LT | 1st LT | CAPT | MAJ | LT COL | COL | BRIG | MAJ GEN | LT GEN | GEN | MARSHAL | ||||
| Services: | Andorian • Bajoran • Cardassian • Ferengi • Human (CSA • Third Reich • UE MACO • USA) • Jem'Hadar • Klingon • Romulan • United Earth/Federation Starfleet • 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 information[]
The Vulcan rank system seems to have been similar to Romulan ranks, including the use of sub-commander and sublieutenant.
The ranks of commander and lieutenant have never been referenced on-screen.