Major was a military rank, the equivalent of which was used by the service organizations of many civilizations. As a traditional grade, major was a line officer of a fighting organization, below a lieutenant colonel and above a captain. In comparison to naval ranking systems, this rank was equivalent to the naval lieutenant commander rank.
Some rank systems used the term major in conjunction with other ranks to create a different grade, such as major general.
- Major Balthazar Edison (United Earth – MACO)
- Major J. Hayes (United Earth – MACO)
- Major Jatarn (Bajoran – Bajoran Militia)
- Major Kira Nerys (Bajoran Militia)
- Major Klev (Tandaran military)
- Major Rakal (Romulan – Tal Shiar)
- Major Malcolm Reed (mirror universe – Terran Empire – MACO)
- Major Talok (Vulcan High Command, in fact covert Romulan agent)
|Enlisted personnel||Commissioned officers||Generals and flag officers|
|ENS||LT JG||LT||LT CMDR||CMDR||CAPT||FCAPT||CDORE||RADM||VADM||ADM||FADM|
|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