| | | |
| TRANSPORT PLATOONS | |
| TRANSPORT S2 | |
| TRANSPORT SHIPS | |
| TRANSPORT U1 | |
| TRANSPORT X1 | |
| TRANSPORT X2 | |
| TRENCH MORTAR UNITS | |
| TRIAL BAY INTERNMENT CAMP | |
| TROOPSHIPS | |
| TSLI | |
| TUNNELLING COMPANIES | |
| TURKISH ARMY | |
| TURKISH FLYING CORPS | |
| TURKISH NAVY | |
| TURKISH POW CAMPS | |
U unit names | |
| U BOATS | |
| U HEAVY BATTERY | |
| UN PEACEKEEPING FORCES | |
| UNAMIR - UN ASSISTANCE MISSION IN RWANDA | |
| UNIFIL - UN INTERIM FORCE IN LEBANON | |
| UNITAF UNIFIED TASK FORCE IN SOMALIA | |
| UNITED NATIONS | |
| UNITED NATIONS PEACEKEEPING FORCES | |
| UNITED PROTESTANT ASSOCIATION | |
| UNITED STATES AIR FORCE | |
| UNITED STATES ARMY | |
| UNITED STATES ARMY VESSELS | |
| UNITED STATES FORCES | |
| UNITED STATES MARINE CORPS UNITED STATES NAVY | |