| SL |
Staff Lieutenant |
Army |
| SO I |
Senior Officer 1 |
Army |
| SOIC |
Signal Officer in Chief |
Army |
| SOO |
Senior Officer Ordnance |
Army |
| SORA |
Senior Officer Royal Artillery |
Army |
| SORE |
Senior Officer Royal Engineers |
Army |
| SOREB |
Senior Officer Royal Engineers (Bomb Disposal) |
Army |
| SOREP |
Senior Officer Royal Engineers (Personnel) |
Army |
| SORER |
Senior Officer Royal Engineers (Roads and Bridges) |
Army |
| SORES |
Senior Officer Royal Engineers (Stores) |
Army |
| SOREW |
Senior Officer Royal Engineers (Works) |
Army |
| SOREWE |
Senior Officer Royal Engineers (Water and E & M) |
Army |
| SQNOC |
Squadron Commander |
Army |
| STORA |
Staff Officer Royal Artillery |
Army |
| STORE |
Staff Officer Royal Engineers |
Army |
| STORS |
Staff Officer Royal Signals |
Army |
| VAG |
Vice Adjutant-General |
Army |
| VCGS |
Vice Chief of the General Staff |
Army |
| VCIGS |
Vice Chief of the Imperial General Staff |
Army |
| VQMG |
Vice Quartermaster-General |
Army |