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| 10th/27th Battalion, Royal South Australia Regiment | |
|---|---|
| Unit name | 10th/27th Battalion, Royal South Australia Regiment |
| Dates | 1987–present |
| Country | Australia |
| Branch | Australian Army |
| Type | Infantry |
| Role | Light infantry, reserve |
| Size | Battalion |
| Command structure | 1st Brigade / 9th Brigade (historical) |
| Garrison | Keswick SA / Adelaide |
| Identification symbol label | Unit colour patch |
10th/27th Battalion, Royal South Australia Regiment is an Australian Army infantry battalion of the Australian Army Reserve, raised by amalgamating units with antecedents in colonial and imperial formations. The battalion traces lineage through the 10th Battalion and 27th Battalion, with links to service in the Second Boer War, First World War, Second World War and postwar Reserve formations. It operates as part of the Royal South Australia Regiment and maintains regional connections across South Australia, including Adelaide, Mt Barker and regional detachments.
The battalion's history flows from 19th-century colonial volunteer units such as the South Australian Volunteer Military Force, through imperial contingents to the Second Boer War, into the Australian Imperial Force formations of the First World War and the militia iterations that served during the Second World War. Post-1945 reorganisation of the Citizens Military Force led to multiple renamings and amalgamations culminating in the 1987 linking of the 10th and 27th battalions under the Royal Australian Infantry. Its lineage encompasses service at Gallipoli, the Western Front, the Middle East, North Africa and the Pacific campaigns, reflecting connections to units awarded honours for engagements such as Gallipoli campaign, Battle of the Somme, Battle of Passchendaele, Siege of Tobruk, Kokoda Track campaign and the Borneo campaign (1945).
The battalion was formed by amalgamating the separate identities of the 10th Battalion and the 27th Battalion, both of which trace their origins to pre-Federation volunteer corps including the 1st Adelaide Rifles and the South Australian Infantry Regiment. The 10th fought as part of the 3rd Brigade in the 1st Division at Gallipoli campaign and on the Western Front, while the 27th served with the 7th Brigade at Gallipoli and later in France and Belgium. Between the wars, both battalions were part of the Citizen Military Forces order of battle and were mobilised into the Second Australian Imperial Force or militia for Second World War service, with detachments participating in campaigns in the Middle East, New Guinea campaign, and Borneo campaign (1945). Postwar reorganisations including the Pentropic reorganisation and the introduction of the Royal South Australia Regiment identity preserved lineage through amalgamations and the eventual creation of the present battalion.
As a Reserve infantry battalion, its companies and personnel have been deployed on a range of operations including domestic support to civil authorities during Adelaide flood relief and state emergencies, and contributing individual augmentees and subunits to overseas missions such as peacekeeping with United Nations Transitional Authority in Cambodia, operations in East Timor under INTERFET and Operation Astute, rotations to support Operation Slipper in Afghanistan and Operation Catalyst in Iraq through individual readiness groupings and the Australian Army Reserve mobilisations. Elements have also provided personnel to multinational exercises with the United States Marine Corps, New Zealand Army, Papua New Guinea Defence Force and Indonesian Tentara Nasional Indonesia. The battalion maintains ready reserve commitments to the 1st Brigade and the 9th Brigade regional responsibilities.
The battalion is organised conventionally for an Australian light infantry battalion within the Australian Army Reserve framework, with rifle companies, support company elements, and headquarters components. Historically its subunits have included companies designated A, B, C and Support, with depots in Adelaide suburbs such as Keswick, and regional centres including Mount Barker and Port Adelaide. It draws recruits from metropolitan and rural South Australia and liaises with 4th/19th Prince of Wales's Light Horse and other Reserve units for combined training. Training pathways follow standards set by the Australian Defence Force and include range firing at the Cultana Training Area and collective training at venues such as Mundy's Landing and interstate combined arms exercises.
The battalion inherits battle honours awarded to its antecedent units for engagements including ANZAC, Suvla Bay, Somme 1916–18, Bullecourt, Passchendaele, Messines 1917, Ypres 1917, Gaza-Beersheba and Egypt 1915–17 from the First World War, and North Africa, Greece 1941, Crete, South-West Pacific 1942–45 and Borneo 1945 from the Second World War. These honours are emblazoned according to Commonwealth military traditions and are displayed on colours, rolls, and memorials associated with the battalion and the Royal South Australia Regiment.
The battalion maintains regimental traditions inherited from the Royal South Australia Regiment including ceremonial observances on Anzac Day, regimental dining-in nights, and links with local civic institutions and veterans groups such as the RSL. Insignia include the unit colour patch in the style of the Australian Imperial Force patches, regimental badges bearing South Australian emblems, and accoutrements reflecting antecedent units like the Adelaide Rifles and the 1st Battalion, Royal South Australia Regiment. Customs encompass perpetuation of company names, freedom of the city parades in Adelaide, and alliances with British and Commonwealth regiments historically connected to South Australian units.
Commemoration of the battalion's antecedents occurs at memorials such as the National War Memorial (South Australia), the Anzac Memorial Centenary Conservatory, and local cenotaphs across South Australia in towns like Mount Barker and Port Lincoln. Roll-of-honour displays, regimental museums, and collections at institutions including the South Australian Museum and State Library of South Australia preserve artifacts, diaries, and honours. Annual ceremonies on Anzac Day and regimental anniversaries ensure continuity of memory for service in conflicts from the Second Boer War through to modern deployments.
Category:Infantry regiments of Australia Category:Military units and formations of South Australia