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Military Ranks
A list of British military rank abbreviations. * If you notice the absence of an expected entry, please let me know *
| Abbr | Description | Force(s) | Part | Note |
| 2nd Lt | 2nd Lieutenant | Army | | |
| A | Acting | | | |
| Able Seaman | Able Seaman | Navy | | |
| AC | Aircraftman/woman | RAF | | |
| ACM | Air Chief Marshal | RAF | | |
| Adm | Admiral | Navy | | |
| Adm of the Fleet | Admiral of the Fleet | Navy | | |
| Air Cmdr | Air Commodore | RAF | | |
| AM | Air Marshal | RAF | | |
| ASM | Artificer Sergeant Major | Army | REME | |
| AVM | Air Vice Marshal | RAF | | |
| Bdr | Bombardier | Army | Artillery | |
| Brig | Brigadier | Army | | |
| Brig Gen | Brigadier General | Army | | |
| Capt | Captain | Army, Navy | | |
| Cdr | Commander | Navy | | |
| Ch Tech | Chief Technician | RAF | | |
| Cmdr | Commodore | Navy | | |
| Col | Colonel | Army | | |
| Colour Sgt | Colour Sergeant | Army | | |
| Cpl | Corporal | Army, RAF | | |
| CPO | Chief Petty Officer | Navy | | |
| CQMS | Company Quartermaster Master Sergeant | Army | | |
| CSgt | Colour Sergeant | Army | Infantry | |
| CSM | Company Sergeant Major | Army | | |
| First Sea Lord | First Sea Lord | Navy | | Not abbreviated |
| Flt Lt | Flight Lieutenant | RAF | | |
| Flt Sgt | Flight Sergeant | RAF | | |
| FO | Flying Officer | RAF | | |
| Gen | General | Army | | |
| Gnr | Gunner | Army | Artillery | |
| GOC | General Officer Commanding | Army | | |
| Gp Capt | Group Captain | RAF | | |
| L/CoH | L/Cpl of Horse | Army | Guards | |
| L/Cpl | Lance Corporal | Army | | |
| LAC | Leading Aircraftman/woman | RAF | | |
| Lt | Lieutenant | Army, Navy | | |
| Lt Cdr | Lieutenant Commander | Navy | | |
| Lt Col | Lieutenant Colonel | Army | | |
| Lt Gen | Lieutenant General | Army | | |
| Maj | Major | Army | | |
| Maj Gen | Major General | Army | | |
| Marshal of the RAF | Marshal of the Royal Air Force | RAF | | Not abbreviated |
| Midshipman | Midshipman | Navy | | Not abbreviated |
| OC | Officer Commanding or Officer Cadet | Army | | |
| OR | Other Rank | Army | | |
| Pilot Officer | Pilot Officer | RAF | | |
| PO | Petty Officer | Navy | | |
| Pte | Private | Army | | |
| QMG | Quartermaster General | Army | | |
| QMS | Quartermaster Sergeant | Army | | |
| Rear Adm | Rear Admiral | Navy | | |
| RQMS | Regimental Quartermaster Sergeant | Army | | |
| RSM | Regimental Sergeant Major | Army | | |
| SAC | Senior Aircraftman/woman | RAF | | |
| Sgt | Sergeant | Army, RAF | | |
| Sjt | Serjeant | Army | The Rifles | |
| Sqn Ldr | Squadron Leader | RAF | | |
| SSgt | Staff Sergeant | Army | | |
| Staff Sgt | Staff Sergeant | Army | | |
| Sub Lt | Sub Lieutenant | Navy | | |
| Vice Adm | Vice Admiral | Navy | | |
| Wing Cdr | Wing Commander | RAF | | |
| WO | Warrant Officer | All | | |
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