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| Australian military | |
|---|---|
| Name | Australian Defence Force |
| Founded | 1901 (Commonwealth of Australia) |
| Allegiance | Monarch of Australia |
| Headquarters | Canberra |
| Commander in chief | Governor-General of Australia |
| Minister | Minister for Defence |
| Active personnel | 80,000 (approx.) |
| Reserve personnel | 20,000 (approx.) |
| Conscription | abolished (voluntary) |
| Battles | Gallipoli Campaign, Western Front (World War I), Kokoda Track campaign, Borneo campaign (1945), Korean War, Malayan Emergency, Vietnam War, Gulf War, War in Afghanistan (2001–2021), Iraq War |
Australian military
The Australian Defence Force is the unified armed forces of the Commonwealth of Australia, responsible for national defence, maritime security, aerospace operations, and expeditionary deployments. It traces institutional roots to colonial militia formations and federated forces at Federation, evolving through major conflicts such as Second Boer War, World War I, and World War II into a modern, technologically integrated force aligned with partners including United States Armed Forces, United Kingdom Armed Forces, and regional states. Contemporary priorities span deterrence, humanitarian assistance, counterterrorism, and alliance interoperability.
Australia's military origins derive from colonial militias like the New South Wales Corps and volunteer units engaged in 19th‑century conflicts such as the New Zealand Wars and Boxer Rebellion. Federation in 1901 created the Commonwealth of Australia defence framework and led to participation in the Second Boer War and the formation of the Australian Imperial Force for World War I, where Australians fought at Gallipoli Campaign and on the Western Front (World War I). Between wars, the Royal Australian Navy and Royal Australian Air Force were established, while World War II saw engagements in the Kokoda Track campaign, the Battle of the Coral Sea, and campaigns in North Africa and Borneo campaign (1945). The Cold War period involved commitments to the Korean War, Malayan Emergency, and Vietnam War, and later operations included contributions to the Gulf War, peacekeeping in East Timor, and coalition campaigns in Iraq and War in Afghanistan (2001–2021). Defence reform initiatives such as the Defence White Paper series and the establishment of joint structures have shaped modern force design.
The Defence Force is commanded under statutory instruments linking the Governor-General of Australia as ceremonial head and the Minister for Defence (Australia) as ministerial authority, with operational control vested in the Chief of the Defence Force (Australia) and service chiefs: the Chief of Navy (Australia), the Chief of Army (Australia), and the Chief of Air Force (Australia). The Australian Defence Force Academy and the Defence Department (Australia) support policy, procurement, and strategic planning within frameworks informed by documents like the Defence White Paper (2016) and allied interoperability agreements such as the ANZUS Treaty. Joint Force Headquarters, regional commands, and capability development agencies coordinate amphibious, maritime, land, and air operations with partner institutions like United States Indo-Pacific Command.
The primary branches comprise the Royal Australian Navy, the Australian Army, and the Royal Australian Air Force, supported by reserve formations including the Australian Army Reserve and the Royal Australian Naval Reserve. Specialist units include the Special Air Service Regiment, 2nd Commando Regiment, 1st Armoured Regiment, 3rd Brigade (Australia), and logistics and signals corps such as the Royal Australian Corps of Signals and the Royal Australian Army Ordnance Corps. The navy operates amphibious formations such as the Canberra class and frigate squadrons; the air force fields fighter wings like those operating the F-35 Lightning II alongside transport and surveillance units; the army maintains combined arms brigades, armoured regiments, and aviation assets including the Tiger ARH and Black Hawk helicopters.
Modernisation has emphasised platforms including the Hobart-class destroyer, Anzac-class frigate, Collins-class submarine, Evolved Sea Sparrow Missile, and the acquisition of Attack-class submarine replacements through programs engaging international partners. Air capabilities centre on the procurement of the F-35 Lightning II, Wedgetail AEW&C, and transport aircraft like the C-27J Spartan and C-17 Globemaster III. Land equipment programmes cover the introduction of the Land 400 combat reconnaissance vehicle, M1 Abrams considerations, and infantry modernisation with systems such as the NLAW and enhanced communications from the JP 2072 series. Procurement governance involves the Capability Acquisition and Sustainment Group and national industrial participation agreements with companies including Boeing, BAE Systems, Raytheon, and domestic firms such as ASC Pty Ltd.
Australian forces have conducted expeditionary operations, peacekeeping, and disaster relief across the Asia‑Pacific and beyond. Notable deployments include peace operations in East Timor, stabilization in Solomon Islands under Operation Anode, coalition operations in Iraq and Afghanistan, maritime security patrols in the Indian Ocean, and humanitarian responses to events like the 2004 Indian Ocean earthquake and tsunami and Cyclone Tracy. The Defence Force participates in multinational exercises such as Talisman Sabre, RIMPAC, Exercise Pitch Black, and cooperative maritime patrols with Royal New Zealand Navy and Japanese Maritime Self-Defense Force units to enhance regional security and readiness.
Recruitment and retention policies emphasise professionalisation, diversity, and specialised skill sets drawn from institutions like the Australian Defence Force Academy, Royal Military College, Duntroon, and the Officer Training School (RAAF); basic training occurs at establishments including Kapooka and HMAS Cerberus. Career pathways span technical trades, officer corps, and special forces selection such as for the Special Air Service Regiment and 2nd Commando Regiment. Personnel welfare, mental health programs, and veterans' transition services interface with agencies like the Department of Veterans' Affairs and policy instruments such as the Defence Force Discipline Act 1982.
Doctrine integrates joint operations, amphibious warfare, air-sea gap concepts, and littoral defence, influenced by strategic assessments in the Defence Strategic Update and partnership frameworks like the Quad and Five Eyes. Capability development follows long-term planning cycles codified in white papers and the Integrated Investment Program, prioritising survivability, precision strike, cyber resilience, and space capabilities; collaborations with entities such as the Australian Space Agency and defence science bodies including the Defence Science and Technology Group support innovation and force modernisation.