| Department of Defence: Aims to prevent or defeat the use of armed forces against Australia or its interests. |
| Australian Defence Force Academy: Military training institution which helps develop the future leaders of the Australian armed forces. Provides details of the activities, courses and social aspects of Academy life, with information on admissions and entry requirements. |
| Australian War Memorial: Purpose is to commemorate the sacrifice of those Australians who have died in war. |
| Defence Housing Authority: Provides family housing for members of the Australian Defence Force. |
| Defence Materiel Organisation: Brings together acquisition of capital equipment and systems and through life support of materiel for the Australian Defence Force. |
| Defense Signals Directorate (DSD): National authority for signals intelligence and information security. |
| Department of Veterans' Affairs: Responsible for carrying out Government policy and implementing programs to fulfill Australia's obligations to war veterans and their dependants. |
| Emergency Management Australia: Responsible for reducing the impact of natural and man-made disasters on the Australian community. Also the lead Federal agency responsible for disaster response. |
Classical
