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| IRAQI FORCES | |
| ITALIAN AIR FORCE | |
| ITALIAN ARMY | |
| ITALIAN FASCIST PARTY | |
| ITALIAN NAVY | |
| ITALIAN NAVY SHIPS | |
| ITALIAN POW CAMPS | |
| ITS KINGAROY | |
| ITS SOMERS | |
| ITS VICTOR HARBOUR | |
| ITSS | |
| IWGC | |
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| PACIFIC ISLANDS DEPOT BATTALION | |
| PACIFIC ISLANDS REGIMENT | |
| PACK TRANSPORT COMPANIES | |
| PAPUAN INFANTRY BATTALION | |
| PARATROOP UNITS | |
| PARRAMATTA AND BLUE MOUNTAINS REGIMENT | |
| PAY UNITS PERSIAN FORCES | |
| PERSONNEL MOVEMENT UNITS | |
| PETROL SUPPLY UNITS | |
| PHILANTHROPIC ORGANISATIONS | |
| PHOTOGRAPHIC INTERPRETATION UNITS | |