| First World War | Second World War | The Cold War |
Military Ranks
| Ranks | Abbreviation |
| Army | |
| Colonel | Col |
| Lieutenant-Colonel | Lieut-Col |
| Major | Maj |
| Captain | Capt |
| Lieutenant | Lieut |
| 2nd Lieutenant | 2nd Lieut |
| Sergeant Major | Sgt Maj |
| Sergeant | Sgt |
| Corporal | Cpl |
| Lance Corporal | L.Cpl |
| Private | Pte |
| Navy | |
| Captain | Capt |
| Commander | Cdr |
| Lieutenant-Commander | Lieut-Cdr |
| Lieutenant | Lieut |
| Sub-Lieutenant | Lieut |
| Midshipman | - |
First World War Encyclopedia (3,250 pages - £4.95)
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