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
|