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SM ''U-12'' was a German submarine, built in 1911 and sunk off Scotland in 1915. It was the first submarine to launch a plane at sea. ''U-12'' was a Type U 9 U-boat built for the Imperial German Navy. Her construction was ordered on 15 July 1908 and her keel was laid down by Kaiserliche Werft in Danzig. She was launched on 6 May 1910 and commissioned on 13 August 1911. Germany was the first nation to experiment with submarine aircraft carriers. Oberleutnant zur See Friedrich von Arnauld de la Perière of the Naval Air Service and ''U-12s Kapitanleutnant Walther Forstmann theorised that they could increase the range of their seaplanes by carrying the aircraft out to sea on the deck of submarine and launching the seaplanes after the sub partially submerged, allowing the plane to float off. ==Service History== On 15 January 1915 the ''U-12'' left Zeebrugge transporting a Friedrichshafen FF.29 seaplane on its deck. Once beyond the safety of the breakwater, the captain realised that the heavy swell might swamp the aircraft and ordered the immediate launch of the seaplane. Forstmann flooded the sub's forward tanks and Arnauld floated the seaplane off the deck and took off from the sea. The German plane flew along the English coastline undetected and returned safely to Zeebrugge. ''U-12'' torpedoed the British gunboat at Deal on 11 November 1914. This was the first Allied casualty from submarines based in Belgian ports. On 10 March 1915, while on patrol off the east coast of Britain, ''U-12'' was hunted down by the three Royal Navy destroyers , and . 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「SM U-12 (Germany)」の詳細全文を読む スポンサード リンク
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