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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 Type 15 frigate ： ウィキペディア英語版 Type 15 frigate The Type 15 frigate was a class of British anti-submarine frigates of the Royal Navy. They were conversions based on the hulls of World War II-era destroyers built to the standard War Emergency Programme "utility" design. ==History== By 1945 the wartime "utility" vessels were obsolescent as destroyers due to their relatively small size and makeshift armament. Future construction would be based on ever larger vessels, such as the Battle class and ''Daring'' class. Rapid advances in German U-boat technology with the 17 knot Type XXI and 19 knot Type XXVI rendered even some of the most modern Royal Navy escorts obsolete. This technology was being put into production by the Soviet Navy in the form of the Whiskey class submarine. The Royal Navy began designing and constructing new fast anti-submarine frigates of the Type 12 and Type 14 design to counter this threat. However, it would be some time before these vessels could be brought into service and budget constraints limited the number of new hulls that could be constructed. The solution to the problem lay in the 47 War Emergency Programme destroyers that remained in Royal Navy service, most of which were only a few years old and had seen little active service. Accordingly, plans were drawn up to convert these vessels into fast anti-submarine frigates incorporating as many lessons learned during wartime experience as possible. Ultimately, 23 of the utility destroyers were fully converted into Type 15 first-rate anti-submarine frigates, and a further ten were given limited conversions, and designated Type 16 frigates. The US Navy followed suit in 1960-65, with the "FRAM" program, by which ''Fletcher'', ''Sumner'' and ''Gearing''-class destroyers were progressively upgraded, pending the arrival of new ''Knox''-class frigates and ''Spruance''-class destroyers in 1969. 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「Type 15 frigate」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.