Comparative Ranks

Officer Ranks

Service	OF-10	OF-9	OF-8	OF-7	OF-6	OF-5	OF-4	OF-3	OF-2	OF-1	OF-1 / OF-D	Student
British Army & Royal Marines	Field Marshal	General	Lieutenant-General	Major General	Brigadier	Colonel	Lieutenant Colonel	Major	Captain	Lieutenant	Second Lieutenant	Officer Cadet
US Army, US Air Force, US Marine Corps	General of the Army / General of the Air Force / --	General	Lieutenant General	Major General	Brigadier General	Colonel	Lieutenant Colonel	Major	Captain	First Lieutenant	Second Lieutenant	Cadet / USMC Midshipman / Officer Candidate / Officer Trainee
Royal Navy	Admiral of the Fleet	Admiral	Vice Admiral	Rear Admiral	Commodore	Captain	Commander	Lieutenant Commander	Lieutenant	Sub Lieutenant	Midshipman	Officer Cadet
US Navy / US Coast Guard	Fleet Admiral / --	Admiral	Vice Admiral	Rear Admiral (Upper)	Rear Admiral (Lower)	Captain	Commander	Lieutenant Commander	Lieutenant	Lieutenant Junior Grade	Ensign	USN Midshipman / USCG Cadet or Officer Candidate
Royal Air Force	Marshal of the Royal Air Force	Air Chief Marshal	Air Marshal	Air Vice Marshal	Air Commodore	Group Captain	Wing Commander	Squadron Leader	Flight Lieutenant	Flying Officer	Pilot Officer	Officer Cadet

Enlisted Ranks

NATO Rank code	US Army	US Air Force	US Marine Corps		US Navy and US Coast Guard	British Army	Royal Marines	Royal Navy	Royal Air Force
OR-9	Sergeant Major of the Army	Chief Master Sergeant of the Air Force	Sergeant Major of the Marine Corps		Master Chief Petty Officer of the Navy or of the Coast Guard	Warrant Officer Class 1	Warrant Officer 1 (RSM)	Warrant Officer 1	Warrant Officer / Master Aircrew
	Command Sergeant Major	Command Chief Master Sergeant	Sergeant Major	Master Gunnery Sergeant	Command Master Chief Petty Officer	Warrant Officer Class 1 (RSM etc.)
	Sergeant Major	Chief Master Sergeant			Master Chief Petty Officer	Warrant Officer 1	Warrant Officer 1
OR-8	First Sergeant	Senior Master Sergeant	First Sergeant	Master Sergeant	Senior Chief Petty Officer	Warrant Officer 2 (CSM etc.)	Warrant Officer 2 (CSM)	Warrant Officer Class 2	N/A
	Master Sergeant					Warrant Officer 2	Warrant Officer 2
OR-7	Sergeant First Class / Platoon Sergeant	Master Sergeant	Gunnery Sergeant		Chief Petty Officer	Staff Sergeant / Colour Sergeant / Staff Corporal	Colour Sergeant	Chief Petty Officer	Flight Sergeant
									Chief Technician
OR-6	Staff Sergeant	Technical Sergeant	Staff Sergeant		Petty Officer 1	Sergeant / Corporal of Horse	Sergeant	Petty Officer	Sergeant
OR-5	Sergeant	Staff Sergeant	Sergeant		Petty Officer 2
OR-4	Corporal (CPL)/Specialist	Senior Airman	Corporal		Petty Officer 3	Corporal (Cpl) / Bombardier / Lance Sergeant / Lance Corporal of Horse	Corporal	Leading Hand	Corporal
OR-3	Private 1	Airman 1	Lance Corporal		Seaman	Lance Corporal / Lance Bombardier	Lance Corporal	N/A	N/A
OR-2	Private	Airman	Private 1		Seaman Apprentice	Private (1 to 3) etc.	Marine / Musician / Bugler	Able Seaman	Junior Technician
									Senior Aircraftman
									Leading Aircraftman
OR-1	Private	Airman Basic	Private		Seaman Recruit	Private (4) / Junior	Marine / Musician / Bugler	New Entry	Aircraftman

See also

• British Armed Forces officer ranks
• British Armed Forces enlisted rates
• US Military officer ranks
• US Military enlisted rates