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5th Brigade is a brigade of the Australian Army. Raised for overseas service in 1915 as part of the Australian Imperial Force during the First World War, the brigade served during the Gallipoli Campaign and on the Western Front. During the inter-war years, it was re-raised as a part-time formation as part of Citizens Military Force. It undertook garrison duties in Australia during the Second World War, but was not deployed overseas before being disbanded in 1944. Following the war, the brigade was re-raised in 1948 once again and it is currently a Reserve combined arms formation based in New South Wales and forms part of the 2nd Division. ==History== The 5th Brigade was initially formed in mid-1915 as part of the Australian Imperial Force (AIF) for service during the First World War. Upon formation it consisted of four infantry battalions—the 17th, 18th, 19th and 20th Battalions. Assigned to the 2nd Division, the majority of its personnel were drawn from men that had previously served in New Guinea with the Australian Naval and Military Expeditionary Force.〔Bean 1941, p. 806.〕 After formation, the brigade departed Australia, embarking for Egypt, in May 1915, and after a period of training, were dispatched to Gallipoli in August as reinforcements for the 1st Division, which had been there since April. The brigade subsequently took part in the August Offensive, as the Allies sought to break the deadlock that had descended on the peninsula. After the offensive failed, the 5th Brigade remained at Gallipoli, undertaking mainly defensive tasks until they were evacuated in December 1915 and withdrawn back to Egypt. In early 1916, the brigade was sent to France as part of the large-scale transfer of the AIF's infantry divisions to the European battlefield. For the next two-and-a-half years the 5th Brigade fought on the Western Front, taking part in numerous battles.〔(【引用サイトリンク】title=Brief History of the 2nd Division )〕 In July 1916, they were committed to the Battle of Pozières, after which the brigade was moved to Belgium before returning to the Somme. In May 1917, as the Germans withdrew to the Hindenburg Line, the brigade took part in the Battle of Lagnicourt in April 1917 and then the Second Battle of Bullecourt in May. Later in the year they were heavily committed, joining actions at Menin Road in September 1917 and Pelcappelle in October. In early 1918, the Germans launched the Spring Offensive, during which the 5th Brigade fought a series of defensive actions in the Somme Valley, before taking part in the final Allied offensive that eventually brought about an end to the war. During this time they were involved in the battles at Amiens in August, Mont St Quentin in September, and Montbrehain in October.〔 Following the end of the war, the 5th Brigade was disbanded, however, it was re-raised in 1921 as part of the Citizens Military Force when Australia's part-time military forces were reorganised to replicate the structure of the AIF. Based in New South Wales, at this time it consisted of the 4th, 20th, 36th and 54th Battalions, and was once again force assigned to the 2nd Division.〔 During the Second World War the brigade was reduced to three infantry battalions after the Australian Army adopted the British brigade structure—the 44th, 54th and 56th Battalions—and undertook defensive duties in New South Wales and Western Australia until it was disbanded in June 1944,〔(【引用サイトリンク】title=5th Brigade )〕〔(【引用サイトリンク】title=5 Australian Infantry Brigade )〕 as part of the reallocation of manpower resources undertaken by the Army at the time.〔Grey 2008, p. 188.〕 In 1948, the CMF was established once more, albeit on a limited scale and the 5th Brigade was re-raised. In 1960, with the introduction of the Pentropic divisional structure, the brigade ceased to exist as it was decided to move away from the traditional triangular formation. The Pentropic structure was abandoned in 1965, however, and the Army returned to the previous tropical establishment. The brigade was reformed at this time, albeit under the guise of the "5th Task Force", and consisted of three battalions—3 RNSWR, 4 RNSWR and 17 RNSWR.〔 In 1982, it reverted to the designation of "5th Brigade" and in 1987 all Reserve formations were reduced to two infantry battalions.〔 Today, 5th Brigade is a combined arms formation of the Australian Army Reserve, based in New South Wales and it is one of six brigades of the 2nd Division.〔 Under Plan Beersheba the reserve 5th and 8th Brigades are partnered with the regular 7th Brigade. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「5th Brigade (Australia)」の詳細全文を読む スポンサード リンク
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