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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Northern Bombing Group ： ウィキペディア英語版 Northern Bombing Group The Northern Bombing Group consisted of United States Navy and United States Marine Corps squadrons conducting strategic bombing of German U-boat bases along the Belgian coast during World War I. The first United States military unit sent to Europe was the First Aeronautic Detachment of seven naval officers and 122 enlisted men who arrived in France on 5 June 1917. These men became the nucleus of the United States Naval Forces in Europe. They formulated a strategic bombing plan approved by the Secretary of the Navy on 30 April 1918, but chronic difficulties in obtaining aircraft prevented establishment of an effective bombing campaign before the war ended six months later. ==Background== The Imperial German Navy established Flanders U-boat flotillas in March 1915. Type UB and UC submarines were based in Ostend and Zeebrugge with repair yards at Bruges. These coastal submarines operated in the English Channel, along the English coast of the North Sea and in the Western Approaches. U-boats were sinking over 150 ships per month by late 1916; and the resultant loss of both cargoes and import capacity threatened the ability of the United Kingdom of Great Britain and Ireland to continue the war. 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「Northern Bombing Group」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.