Rank

In military and civilian service organizations of many intelligent cultures, rank (sometimes denoted by rank insignia on uniforms) is how the jobs of different personnel are organized in a hierarchy of authority.

Federation Starfleet Ranks

The Starfleet rank system is based on a long history of ranks ranging from the old naval era on Earth, to the early days of space exploration with the Old Earth Starfleet.

Flag Officers
- Fleet admiral
- Admiral
- Vice admiral
- Rear admiral (upper grade)
- Commodore/Rear admiral (lower grade)
Line Officers
- Senior Officers
- Junior Officers
  - Lieutenant
  - Lieutenant junior grade
  - Ensign
  - Ensign Junior Grade/Midshipman
Warrant Officers
- Master Warrant Officer
- Senior Warrant Officer
- Chief Warrant Officer
- Warrant Officer
Enlisted
- Non Commissioned Officers
  - Master Chief Petty Officer of Starfleet
  - Fleet Master Chief Petty Officer
  - Command Master Chief Petty Officer
  - Master chief petty officer
  - Senior chief petty officer
  - Chief petty officer
  - Petty officer first class
  - Petty officer second class
  - Petty officer third class
- Crewmen
  - Crewman
  - Crewman Recruit
  - Crewman Apprentice

Starfleet Marine Corps Ranks

The Starfleet Marine Corps uses a rank system based on the rank systems of several Earth land forces.

Flag Officers
- Force Marshall
- General
- Lieutenant General
- Major General
- Brigadier General
Line Officers
- Staff & Field Officers
  - Force Colonel
  - Colonel
  - Lieutenant Colonel
  - Major
- Junior Officers
  - Captain (Senior Lieutenant after 2380)
  - First Lieutenant
  - Second Lieutenant
Warrant Officers
- Master Warrant Officer
- Senior Warrant Officer
- Chief Warrant Officer
- Warrant Officer
Enlisted
- Non-commissioned Officers
  - Sergeant Major of the Marine Corps
  - Command Sergeant Major
  - Sergeant Major
  - Master Sergeant
  - Sergeant First Class
  - Staff Sergeant
  - Sergeant
  - Corporal
  - Private First Class
  - Private
  - Recruit

Starfleet Starfighter Corps

The Starfleet Starfighter Corps uses a rank system similar to the ranks of several air forces of Earth.

Flag Officers
- Star Marshall
- Marshall
- Vice Marshall
- Rear Marshall
- Brigadier
Line Officers
- Senior Officers
  - Force Colonel
  - Colonel
  - Commander
  - Major
- Junior Officers
  - Lieutenant
  - Flight Officer
  - Pilot
Warrant Officers
- Master Warrant Officer
- Senior Warrant Officer
- Chief Warrant Officer
- Warrant Officer
Enlisted
- Non-commissioned Officers
  - Master Sergeant of the Starfleet Starfighter Corps
  - Chief Master Sergeant
  - Master Sergeant
  - Flight Sergeant
  - Technical Sergeant
  - Sergeant
  - Staff Technician
  - Technician
  - Crewman
  - Crewman Apprentice
  - Crewman Recruit

Starfleet Intelligence Directorate

Starfleet Intelligence uses the same rank system as Starfleet, but with a different set of ranks for the flag officers.

Flag Officers
- Director
- Deputy Director
- Assistant Director
- Deputy Assistant Director
- Director-in-Charge
Line Officers
- Senior Officers
- Junior Officers
Warrant Officers
- Master Warrant Officer
- Senior Warrant Officer
- Chief Warrant Officer
- Warrant Officer
Enlisted
- Non Commissioned Officers
  - Master Chief Petty Officer of Starfleet
  - Command Master Chief Petty Officer
  - Master chief petty officer
  - Senior chief petty officer
  - Chief petty officer
  - Petty officer first class
  - Petty officer second class
  - Petty officer third class
- Crewmen
  - Crewman
  - Crewman Recruit
  - Crewman Apprentice

External Links

Rank article at Memory Alpha, the canon Star Trek wiki.
Rank article at Star Trek Expanded Universe.