Flag Officers

RANK COMMAND ENGINEERING & SECURITY MEDICAL & SCIENCES RANK LEVEL RANK MARINE RANK
Fleet Admiral O-12 Field Marshal
Admiral < < < O-11 General
Vice Admiral O-10 Lt. General
Rear Admiral O-9 Major General
Commodore O-8 Brigadier General
Fleet Captain O-7 Brigadier


Officers

RANK COMMAND ENGINEERING & SECURITY MEDICAL & SCIENCES RANK LEVEL RANK MARINE RANK
Captain O-6 Colonel
Commander O-5 Lt. Colonel
Lieutenant Cmdr. O-4 Major
Lieutenant O-3 Marine Captain
Lieutenant J.G. O-2 1st Lieutenant
Ensign O-1 2nd Lieutenant


Warrant Officers (Enlisted)

RANK COMMAND ENGINEERING & SECURITY MEDICAL & SCIENCES RANK LEVEL RANK MARINE RANK
Chief Warrant Officer 4th W-4 Chief Warrant Officer 1st
Chief Warrant Officer 3rd W-3 Chief Warrant Officer 2nd
Chief Warrant Officer 2nd W-2 Chief Warrant Officer 3rd
Warrant Officer W-1 Warrant Officer


Enlisted

RANK COMMAND ENGINEERING & SECURITY MEDICAL & SCIENCES RANK LEVEL RANK MARINE RANK
Master Chief of Starfleet E-11
Command Master Chief E-10
Master Chief E-9 Sergeant Major
Senior Chief E-8 Master Gunnery Sergeant
Chief Petty Officer E-7 Gunnery Sergeant
Petty Officer 1st Class E-6 Staff Sergeant
Petty Officer 2nd Class E-5 Marine Sergeant
Petty Officer 3rd Class E-4 Corporal
Crewman 1st Class E-3 Lance Corporal
Crewman 2nd Class E-2 Private 1st Class
Crewman 3rd Class E-1 Private

Cadet Ranks

RANK COMMAND ENGINEERING & SECURITY MEDICAL & SCIENCES RANK LEVEL RANK MARINE RANK
Cadet 4th Class C-4
Cadet 3rd Class C-3
Cadet 2nd Class C-2
Cadet 1st Class C-1