1610
Royal Navy          US Navy
Admiral of the Fleet Fleet Admiral
Admiral             Admiral
Vice-Admiral        Vice-Admiral
Rear-Admiral        Rear Admiral
Commodore           Commodore
Captain             Captain
Commander           Commander
Lieutenant-Commander Lieutenant Commander
Lieutenant          Lieutenant
Sub-Lieutenant      Lieutenant Junior Grade
Midshipman          Ensign
-                   Chief Warrant Officer
Fleet Chief Petty Officer Warrant Officer
-                   Master Chief Petty Officer
-                   Senior Chief Petty Officer
Chief Petty Officer Chief Petty Officer
Petty Officer       Petty Officer 1st Class
-                   Petty Officer 2nd Class
Leading Seaman      Petty Officer 3rd Class
Able Seaman         Seaman
Ordinary Seaman     Seaman Apprentice
Junior Seaman       Seaman Recruit
Marshal of the      General of the Airforce
Royal Air Force
Air Chief Marshal   General
Air Marshal         Lieutenant General
Air Vice Marshal    Major General
Air Commodore       Brigadier General
Group Captain       Colonel
Wing Commander      Lieutenant Colonel
Squadron Leader     Major
Flight Lieutenant   Captain
Flying Officer      First Lieutenant
Pilot Officer       Second Lieutenant
-                   Chief Warrant Officer
Warrant Officer     Chief Master Sergeant
-                   Senior Master Sergeant
Flight Sergeant     Master Sergeant
Chief Technician    Technical Sergeant
Sergeant            Staff Sergeant
Corporal            Airman 1st Class
Junior Technician   -
Senior Aircraftman  Airman 2nd Class
Leading Aircraftman Airman 3rd Class
Aircraftman         Airman Basic
British Army        US Army             Royal Marines       US Marine Corps
Field-Marshal       General of the Army General             General
General             General             Lieutenant-General  Lieutenant General
Lieutenant-General  Lieutenant General  Major-General       Major General
Major-General       Major General       Brigadier           Brigadier General
Brigadier           Brigadier General   Colonel             Colonel
Colonel             Colonel             Lieutenant-Colonel  Lieutenant Colonel
Lieutenant-Colonel  Lieutenant          Colonel Major       Major
Major               Major               Captain             Captain
Captain             Captain             Lieutenant          1st Lieutenant
Lieutenant          1st Lieutenant      2nd Lieutenant      2nd Lieutenant
2nd Lieutenant      2nd Lieutenant      -                   Chief Warrant Officer
-                   Chief Warrant Officer -                 -
Warrant Officer 1st Class Warrant Officer   Warrant Officer 1st Class Warrant Officer
Warrant Officer 2nd Class -                 Warrant Officer 2nd Class -
Staff Sergeant      Sergeant Major      Colour Sergeant     Sergeant Major
-                   -                   -                   Master Gunnery Sergeant
Sergeant            Master Sergeant     Sergeant            Master Sergeant
-                   1st Sergeant        -                   1st Sergeant
-                   Sergeant 1st Class  -                   Gunnery Sergeant
-                   Staff Sergeant      -                   Staff Sergeant
Corporal            Sergeant            Corporal            Sergeant
Lance Corporal      Corporal            -                   Corporal
Private             Private 1st Class   Lance Corporal      Lance Corporal
Private             Marine              Private 1st Class
Private