Australian Government

The Department of Defence is the Australian Government agency constituted under the Defence Act 1903, with the mission to defend Australia and its national interests by preparing for and conducting military operations as directed by the Government. It oversees the Australian Defence Force (ADF), comprising the Royal Australian Navy, Australian Army, and Royal Australian Air Force, and manages defense acquisitions including unmanned systems, nuclear-powered submarines under AUKUS, and other advanced capabilities. Key capabilities include coordination of defense policy, acquisition of military equipment, and support for national security through investments in cyber, AI, and hypersonic technologies.