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The Bribie Island Second World War Fortifications are heritage-listed fortifications at Woorim and Bribie Island North on Bribie Island, Queensland, Australia. They were built from 1939 to 1943 and were added to the Queensland Heritage Register on 20 July 1993. == History == The Bribie Island Fortifications were constructed from 1939 to 1943 as part of the systems of defence of southeast Queensland during the Second World War, and to provide artillery training for Australian soldiers for overseas service. Other fortifications were also apparent throughout Moreton Bay during the war, at Caloundra and on Moreton Island at Cowan Cowan Point and Rous, which together with the existing installations at Fort Lytton, provided a coordinated series of defensive batteries for the region.〔 As events in Europe and Asia in the 1930s moved the world towards war, various sectors of Australia's defence, including coastal fortifications, were examined. There was an increased emphasis on defence rearmament from 1935. As major cities and ports along the coastline would be exposed to damage from naval raids or attack, coastal defences were to be upgraded. Batteries were established in Sydney, Darwin and along the Western Australia coast. Invasion was not a major concern at this stage, rather the batteries were for defence against seaborne shelling or the torpedoing of ports.〔 The defence of the Moreton Bay region was concentrated on the mouth of the Brisbane River at Fort Lytton, constructed in 1880–81, until the mid 1930s, when attempts were made to upgrade the region's defence.〔 The shipping channels in Moreton Bay simplified the proposed placement of batteries. The major access route into the Brisbane River was the northwest channel, which ran close to the shore near Caloundra, across the bay in a southeasterly direction towards Moreton Island, and then southwesterly towards the mouth of the river, forming a Z-shaped route. This dictated the ideal positions for artillery batteries, with the most effective sites for guns being the closest points to the channel bends.〔 On 1 September 1939 Germany invaded Poland, and on 3 September Australia declared war on Germany.〔 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「Bribie Island Second World War Fortifications」の詳細全文を読む スポンサード リンク
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