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SMS ''Roon''〔"SMS" stands for "Seiner Majestät Schiff", or "His Majesty's Ship" in German.〕 was the lead ship of her class of armored cruisers of the Imperial German Navy. The ship was authorized under the second Naval Law in 1902, and built at the Imperial Dockyard in Kiel at the cost of 15.3 million marks. The ship was named after Albrecht von Roon, a Prussian general and politician. She displaced up to and was armed with a main battery of four . Her top speed was . The ship participated in several actions during the First World War, including the raid on Scarborough, Hartlepool and Whitby, where she acted as a scout for the High Seas Fleet. ''Roon'' also saw duty in the Baltic Sea, including a battle in July 1915 against Russian cruisers and shore bombardment missions. After 1916, ''Roon'' was used as a training and barracks ship in Kiel until the end of the war. It was intended to convert the ship into a seaplane tender, but the plan was eventually abandoned. The ship was struck from the naval register in 1920 and scrapped thereafter. ==Construction== (詳細はImperial Dockyard in Kiel under construction number 28.〔Gröner, p. 51〕 Her keel was laid in 1902 and she was launched on 27 June 1903. Fitting-out work was lengthy, but was completed by 5 April 1906, being commissioned into the Imperial German Navy the same day.〔Gardiner & Chesneau, p. 255〕 She had cost the Imperial German Government 15,345,000 ''Goldmarks''.〔 ''Roon'' displaced as built and fully loaded, with a length of , a beam of and a draft of forward. She was powered by three vertical triple expansion engines, which developed a total of and yielded a maximum speed of on trials. She carried up to of coal, which enabled a maximum range of up to at a cruising speed of .〔 She was armed with four arranged in two twin gun turrets, one on either end of the superstructure. Her secondary armament consisted of ten 15 cm (5.9 in) guns, fourteen guns and four underwater torpedo tubes, one in the bow, one in the stern, and one on both beams.〔 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「SMS Roon」の詳細全文を読む スポンサード リンク
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