British Armed Forces Officer Ranks

Royal Navy (Incl. Fleet Air Arm)	Army & Royal Marines (but excluding Ghurka Rifles)	Royal Air Force
Admiral of the Fleet	Field Marshal	Marshal of the Royal Air Force
Admiral	General	Air Chief Marshal
Vice Admiral	Lieutenant General	Air Marshal
Rear Admiral	Major General	Air Vice Marshal
Commodore	Brigadier	Air Commodore
Captain	Colonel	Group Captain
Commander	Lieutenant Colonel	Wing Commander
Lieutenant Commander	Major	Squadron Leader
Lieutenant	Captain	Flight Lieutenant
Sub Lieutenant	Lieutenant	Flying Officer
Midshipman	Second Lieutenant	Pilot Officer
Officer Cadet	Officer Cadet	Officer Cadet

Note: Out of courtesy to the Crown Officers of the Brigade of Guards and Household cavalry are nominally considered to be one rank higher for seniority purposes only than their equivalent counterparts in the rest of the Armed Forces.

See also

British Armed Forces Enlisted Ranks