| AB | Able Seaman |
| Adjt | Adjutant |
| Adj-Gen | Adjutant-General |
| AF | Admiral of the Fleet |
| AG | Adjutant-General |
| AHC | Army Hospital Corps |
| AIF | Australian Imperial Forces |
| ANZAC | Austrailian and New Zealand Army Corps |
| AO | Army Order |
| AOC | Army Ordnance Corps |
| AOD | Army Ordanance Department |
| APM | Assistant Provost-Marshal |
| APO | Army Post Office |
| ASC | Army Service Corps |
| AVD | Army Veterinary Department |
| Bde | Brigade |
| BEF | British Expeditionary Force |
| Bn | Battalion |
| Brig | Brigadier |
| Brig-Gen | Brigadier-General |
| BSC | Bengal Staff Corps |
| Capt | Captain |
| CF | Chaplain to the Forces |
| C in C | Commander in Chief |
| CO | Commanding Officer |
| Col | Colonel |
| Com | Commander |
| Comdr | Commander |
| Coy | Company |
| Cpl | Corporal |
| CS | Colour Sergeant |
| CSM | Company Sergeant Major |
| DCM | Distinguished Conduct Medal |
| DFC | Distinguished Flying Cross |
| DFM | Distinguished Flying Medal |
| div | Division |
| DL | Deputy Lieutenant |
| DLI | Durham Light Infantry |
| DSC | Distinguished Service Cross |
| DSM | Distinguished Service Medal |
| DSO | Distinguished Service Order |
| EEF | Egyptian Expeditionary Force |
| FM | Field Marshal |
| GHQ | General Headquarters |
| GOC | General Officer Commanding |
| GS | General Staff |
| gn | Gunner |
| HAC | Honourable Artillery Company |
| HG | Horse Guards |
| HLI | Highland Light Infantry |
| HMAS | His Majesty`s Australian Ship |
| HMCS | His Majesy`s Canadian Ship |
| HMS | His Majesty`s Ship |
| IA | Indian Army |
| ID | Intelligence Department |
| ISO | Imperial Service Order |
| IY | Imperial Yeomanry |
| KOSB | King`s Own Scottish Borderers |
| KORL | King`s Own Royal Lancashire/Lancaster Regiment |
| KOYLI | King`s Own Yorkshire Light Infantry |
| KRRC | King`s Royal Rifle Corps |
| LD | Light Dragoons |
| LI | Light Infantry |
| Lr | Lancer |
| Lt | Lieutenant |
| Maj | Major |
| MEF | Mediterranean Expeditionary Force |
| MGC | Machine Gun Corps |
| MM | Military Medal |
| NCO | Non-commissioned Officer |
| OD | Ordinary Seaman |
| OS | Ordinary Seaman |
| PM | Provost-Marshal |
| QM | Quarter-master |
| QMG | Quartermaster-General |
| QMS | Quartermaster-Sergeant |
| RA | Rear Admiral |
| RA | Royal Artillery |
| RAF | Royal Air Force |
| RAMC | Royal Army Medical Corps |
| RAOC | Royal Army Ordnance Corps |
| RAPC | Royal Army Pay Corps |
| RASC | Royal Army Service Corps |
| RD | Royal Dragoons |
| RE | Royal Corps of Engineers |
| RFA | Royal Field Artillery |
| RFC | Royal Flying Corps |
| RGA | Royal Garrison Artillery |
| Rgt | Regiment |
| RHA | Royal Horse Artillery |
| RHG | Royal Horse Guards |
| RIM | Royal Indian Marines |
| RM | Royal Marines |
| RMA | Royal Military Academy |
| RMA | Royal Marine Artillery |
| RMC | Royal Military College |
| RMLI | Royal Marine Light Infantry |
| RN | Royal Navy |
| RNAS | Royal Naval Air Service |
| RNR | Royal Naval Reserve |
| RNVR | Royal Naval Volunteer Reserve |
| RSM | Regimental Sergeant-Major |
| RV | Rifle Volunteers |
| SAA | Small Arms Ammunition |
| SAS | Special Air Sevice |
| SBS | Special Boat Service |
| SC | Staff-office Corps |
| SERG | Sergeant |
| SM | Sergeant-Major |
| SO | Staff Officer |
| SQN | Squadron |
| TA | Territorial Army |
| TF | Territorial Force |
| VC | Victoria Cross |
| WAAC | Women`s Army Auxillary Corps |
| WRAC | Women`s Royal Army Corps |
| WAAC | Women`s Army Auxillary Corps |
| WD | War Department |
| WRAF | Women`s Royal Air Force |
| WRNS | Women`s Royal Naval Service |