| | | |
| GREEK FORCES | |
| GULL FORCE | |
| GURKHA UNITS | |
| GWYDIR REGIMENT | |
H unit names | |
I unit names | |
J unit names | |
K unit names | |
L unit names | |
M unit names | |
N unit names | |
O unit names | |
| OCUS | |
| OFFICER CADET TRAINING UNITS | |
| OFFICER TRAINING UNITS | |
| OPERATION HABITAT, IRAQ | |
| OPERATIONAL CONVERSION UNITS | |
| OPERATIONAL TRAINING UNITS | |
| OPERATIONAL TRAINING UNIT, BAIRNSDALE | |
| OPERATIONAL TRAINING UNIT, EAST SALE | |
| OPERATIONAL TRAINING UNIT, MILDURA | |
| OPERATIONAL TRAINING UNIT, TOCUMWAL | |
| OPERATIONAL TRAINING UNIT, WAGGA WAGGA | |
| OPERATIONAL TRAINING UNIT, WILLIAMTOWN | |
| ORDNANCE BEACH DETACHMENTS | |
| ORDNANCE FIELD PARKS | |
| ORDNANCE PORT DETACHMENTS | |
| ORDNANCE PROVISION SECTION AIF MIDDLE EAST | |
| ORDNANCE PROVISION SECTIONS | |
| | BT ORDNANCE UNITS | |