HMAS Australia

Two ships of the Royal Australian Navy have borne the name Australia.

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The first HMAS Australia was an Indefatigable class battle cruiser laid down by John Brown and Company of Clydebank at Glasgow in Scotland on 26 June 1910, launched on 25 October 1911 by Lady Reid, wife of Sir George Reid, the Australian High Commissioner in London and former Prime Minister, completed on 21 June 1913 and commissioned at Portsmouth in England on 21 June 1913. She sailed for Australia on 21 July 1913. HMAS Australia paid off on 12 December 1921 and, in accordance with the terms of the Washington Naval Treaty, was sunk with her main armament 24 miles from Sydney on 12 April 1924.

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The second HMAS Australia was a County class cruiser laid down by John Brown and Company of Clydebank at Glasgow in Scotland on 26 August 1925, launched on 17 March 1927 and commissioned on 24 April 1928. HMAS Australia paid off for disposal on 31 August 1954 and sold for scrap to the British Iron and Steel Corporation (Salvage) on 25 January 1955. She left Sydney under tow on 26 March 1955 and was broken up at the Thomas W. Ward Shipbreaking Yard at Barrow-in-Furness in 1956.