| | | |
| AAVC | |
| AB FRANCES PEAT | |
| AB422 (ARMY VESSEL) | |
| ABC | |
| AC UNITED NATIONS TRANSITIONAL AUTHORITY IN CAMBODIA | |
| ACF | |
| ADAM PARK PRISONER OF WAR CAMP | |
| ADELAIDE FORTRESS | |
| ADELAIDE LANCERS | |
| ADELAIDE RIFLES | |
| ADELAIDE UNIVERSITY REGIMENT | |
| ADUSS | |
| | PT AUSTRALIAN DEPOT UNITS OF SUPPLY | |
| ADVANCED AMMUNITION DEPOTS | |
| ADVANCED ORDNANCE DEPOTS | |
| ADVANCED ORDNANCE WORKSHOPS | |
| AEME | |
| AFC | |
| AFV | |
| AFV AMENITIES UNIT | |
| AG UNITED NATIONS TRANSITIONAL ASSISTANCE GROUP, NAMIBIA | |
| AIF (MIDDLE EAST) REINFORCEMENT DEPOT | |
| AIR BOARD | |
| AIR FORCE UNITS | |
| AIR MAINTENANCE COMPANIES | |
| AIR NAVIGATION SCHOOLS | |
| AIR OBSERVER SCHOOLS | |
| AIR OBSERVER SCHOOL, COOTAMUNDRA | |
| AIR OBSERVER SCHOOL, PORT PIRIE | |
| AIR RAID PRECAUTIONS | |