Armed forces ranks

Armed Forces (abbreviate ranks after first mention. If no abbreviation is shown, the rank should be used in full).

 

Royal Navy ranks

Full title

Abbreviation

Admiral of the Fleet

 

Admiral

 

Vice-Admiral

 

Rear-Admiral

 

Commodore

 

Captain

Capt

Commander

Cdr

Lieutenant Commander

Lt Cdr

Lieutenant

Lt

Sub-Lieutenant

Sub-Lt

Midshipman

 

Chief Petty Officer

CPO

Leading Seaman

LS

Able Seaman

AB

Ordinary Seaman

OS

 

Royal Army ranks

Full title

Abbreviation

General

Gen

Lieutenant General

Lt Gen

Major General

Maj Gen

Brigadier

Brig

Colonel

Col

Lieutenant Colonel

Lt Col

Major

Maj

Captain

Capt

Lieutenant

Lt

Second Lieutenant

2nd Lt

Warrant Officer

WO

Regimental Sergeant Major

RSM

Regimental Quarter Master Sergeant

RQMS

Battery Sergeant Major

BSM

Company Sergeant Major

CSM

Staff Sergeant

S/Sgt

Colour Sergeant

C/Sgt

Sergeant

Sgt

Lance Sergeant

L Sgt

Bombardier

Bdr

Lance Corporal

L Cpl

Craftsman

Cfn

Driver

Dvr

Fusilier

Fus

Guardsman

Gdsm

Gunner

Gnr

Musician

Musn

Private

Pte

Rifleman

Rfn

Sapper

Spr

Signaller

Sgn

Trooper

Tpr

 

Royal Air Force ranks

Full title

Abbreviation

Marshal of the Royal Air Force

 

Air Chief Marshal

 

Air Marshal

 

Air Vice-Marshal

 

Air Commodore

Air Comdre

Group Captain

Grp Capt

Wing Commander

Wg Cmdr

Squadron Leader

Sqn Ldr

Flight Lieutenant

Flt Lt

Flying Officer

Flg Off

Pilot Officer

Plt Off

Warrant Officer

WO

Flight Sergeant

Flt Sgt

Chief Technician

CT

Sergeant

Sgt

Corporal

Cpl

Junior Technician

JT

Senior Aircraftman

SAC

Leading Aircraftman

LAC

Aircraftman

AC