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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 Convoy SC 107 ： ウィキペディア英語版 Convoy SC 107 Convoy SC 107 was the 107th of the numbered series of World War II Slow Convoys of merchant ships from Sydney, Cape Breton Island to Liverpool.〔Hague 2000 p.133〕 The ships departed New York City on 24 October 1942 and were found and engaged by a wolfpack of U-boats which sank fifteen ships.〔Hague 2000 p.135〕 It was the heaviest loss of ships from any trans-Atlantic convoy through the winter of 1942-43.〔Hague pp.132, 137-138, 161-162, 164, 181〕 ==Background== As western Atlantic coastal convoys brought an end to the "Second Happy Time", Admiral Karl Dönitz, the ''Befehlshaber der U-Boote'' (''BdU'') or commander in chief of U-Boats, shifted focus to the mid-Atlantic to avoid aircraft patrols. Although convoy routing was less predictable in the mid-ocean, Dönitz anticipated that the increased numbers of U-boats being produced would be able to effectively search for convoys with the advantage of intelligence gained through ''B-Dienst'' decryption of British Naval Cypher Number 3.〔Tarrant p.108〕 However, only 20 percent of the 180 trans-Atlantic convoys sailing from the end of July 1942 until the end of April 1943 lost ships to U-boat attack.〔 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「Convoy SC 107」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.