Starfleet Ranks

Admiral

Abbreviation: ADM
Insignia: four slanted solid gold rhombuses [1]
Description: Highest rank in Starfleet

Vice Admiral

Abbreviation: VADM
Insignia: three slanted solid gold rhombuses [2]
Description: Long serving admirals of the fleet, typically holding positions of great responsibility such as Chiefs of departments at Starfleet Command.

Rear Admiral

Abbreviation: RADM
Insignia: two slanted solid gold rhombuses [//]
Description: Highly ranked admirals of the fleet, typically holding positions of great responsibility such as fleet commanders or Chiefs of departments at Starfleet Command.

Branch Admiral

Abbreviation: BADM
Insignia: one slanted solid gold rhombus [/]
Description: Highly ranked admirals of the fleet, typically holding positions of great responsibility such as fleet or base commanders.

Commodore

Abbreviation: CDRE
Insignia: five slanted silver rhombuses /////
Description: Commodores are senior captains on the road to admiralty.

Captain

Abbreviation: CAPT
Insignia: four slanted silver rhombuses ////
Description: Captains can have command of any Starfleet vessel, and most bases. They can also serve as executive officers to an admiral.

Commander

Abbreviation: CDR
Insignia: three slanted silver rhombuses ///
Description: Commanders often serve as executive officers or command level officers on vessel of the fleet.

Lieutenant Commander

Abbreviation: LCDR
Insignia: two slanted silver rhombuses and one slanted black rhombus ///
Description: Lieutenant Commanders can serve as executive officers, command officers, or as commanding officer of smaller fleet vessels.

Lieutenant

Abbreviation: LT
Insignia: two slanted silver rhombuses //
Description: Lieutenants can serve as Chiefs of departments, department heads, or other notable positions aboard a fleet vessel.

Lieutenant Junior Grade

Abbreviation: LTJG
Insignia: one slanted silver rhombus and one slanted black rhombus //
Description: Junior Grade Lieutenants can serve as department chiefs or heads, or hold notable positions aboard a fleet vessel.

Ensign

Abbreviation: ENS
Insignia: one slanted silver rhombus /
Description: Ensigns can be department heads, or hold notable positions aboard a fleet vessel.

Master Chief Petty Officer

Abbreviation: MCPO
Insignia: a hollow grey rhombus with two sets of four intersecting lines through it at opposite angles \\////
Description: Master Chief Petty Officer is a subordinate non-commisioned officer rank, and the highest enlisted rank. They can't initiate orders, but they are often highly skilled individuals with years of experience. Junior officers often rely on Chief's to help them make the best command decisions.

Senior Chief Petty Officer

Abbreviation: SCPO
Insignia: a hollow grey rhombus with one set of three and one set of four intersecting lines through it at opposite angles \\///
Description: Senior Chief Petty Officer is a subordinate non-commisioned officer rank. They can't initiate orders, but they are often highly skilled individuals with years of experience. Junior officers often rely on Chief's to help them make the best command decisions.

Chief Petty Officer

Abbreviation: CPO
Insignia: a hollow grey rhombus with two sets of three intersecting lines through it at opposite angles \\\///
Description: Chief Petty Officer is a subordinate non-commisioned officer rank. They can't initiate orders, but they are often highly skilled individuals with years of experience. Junior officers often rely on Chief's to help them make the best command decisions.

Petty Officer 1st Class

Abbreviation: PO1
Insignia: a hollow grey rhombus with five lines through it /////
Description: Petty Officer is a subordinate non-commisioned officer rank. They can instruct crewman in their duties, but they can not initiate orders.

Petty Officer 2nd Class

Abbreviation: PO2
Insignia: a hollow grey rhombus with four lines through it ////
Description: Petty Officer is a subordinate non-commisioned officer rank. They can instruct crewman in their duties, but they can not initiate orders.

Crewman 1st Class

Abbreviation: CRM1
Insignia: a hollow grey rhombus with three lines off it /
Description: Crewman is an enlisted rank in Starfleet, the lowest rank, and it comes in three tiers; 1st, 2nd, and 3rd. Crewman are the workers aboard ship, performing multiple tasks, but often having a specific function or daily duty.

Crewman 2nd Class

Abbreviation: CRM2
Insignia: a hollow grey rhombus with two lines off it /
Description: Crewman is an enlisted rank in Starfleet, the lowest rank, and it comes in three tiers; 1st, 2nd, and 3rd. Crewman are the workers aboard ship, performing multiple tasks, but often having a specific function or daily duty.

Crewman 3rd Class

Abbreviation: CRM3
Insignia: a hollow grey rhombus with one line off it /'
Description: Crewman is an enlisted rank in Starfleet, the lowest rank, and it comes in three tiers; 1st, 2nd, and 3rd. Crewman are the workers aboard ship, performing multiple tasks, but often having a specific function or daily duty.