| | | |
| ITALIAN NAVY | |
| ITALIAN NAVY SHIPS | |
| ITALIAN POW CAMPS | |
| ITS KINGAROY | |
| ITS SOMERS | |
| ITS VICTOR HARBOUR | |
| ITSS | |
| IWGC | |
J 部隊名 | |
K 部隊名 | |
L 部隊名 | |
M 部隊名 | |
N 部隊名 | |
O 部隊名 | |
P 部隊名 | |
Q 部隊名 | |
R 部隊名 | |
S 部隊名 | |
T 部隊名 | |
U 部隊名 | |
| 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 | |