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The FREMM ("European multi-purpose frigate"; French: ''Frégate européenne multi-mission''; Italian: ''Fregata europea multi-missione'') is a class of multi-purpose frigates designed by DCNS/Armaris and Fincantieri for the navies of France and Italy. The lead ship of the class, ''Aquitaine'', was commissioned in November 2012 by the French Navy. In France the class is known as the ''Aquitaine'' class, while in Italy they are known as the ''Bergamini'' class. Italy has ordered six general purpose variants and four anti-submarine variants; the last two Italian general purpose FREMMs will have anti-aircraft warfare, anti-ballistic missile and surface attack capabilities. France has ordered six anti-submarine variants, and two air-defence variants. ==Background== Three original variants of the FREMM were proposed; an anti-submarine variant (ASW) and a general-purpose variant (GP) and a land-attack variant (AVT) to replace the existing classes of frigates within the French and Italian navies. A total of 27 FREMM were to be constructed - 17 for France and 10 for Italy - with additional aims to seek exports, however budget cuts and changing requirements has seen this number drop significantly (for France). The land-attack variant (AVT) was subsequently cancelled. A third anti-air warfare variant of FREMM was proposed by DCNS in repose to French requirements for a new air-defence frigate, the new variant became known as FREDA ("''FREgates de Défense Aériennes''", "Air defence frigate"). This new French requirement was due to the third and fourth Horizon-class frigates being cancelled after the first two cost €1,350m each, but this decision left French Navy still in-need of replacements for its ageing air-defence frigates. As of 2009, the FREDA design features a more powerful version of the Thales Herakles passive electronically scanned array radar and 32 cells of SYLVER A50 in place of the 16 cells of A43 and 16 cells of A70. The SYLVER A50 would allow it to fire the -range Aster 30 missile; the towed array sonar would not be fitted. At Euronaval 2012 DCNS showed a new concept called FREMM-ER for the FREDA requirement, again based on the FREMM, but specifically mentioning the ballistic missile defence mission as well as anti-air. FREMM-ER has a modified superstructure replacing Héraklès with the new Thales Sea Fire 500 radar, whose four fixed plates resemble those of the US Navy's AN/SPY-1. However unlike the Héraklès and the SPY-1 (both using passive electronically scanned array technology), the Sea Fire 500 has active electronically scanned array antennas. 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「FREMM multipurpose frigate」の詳細全文を読む スポンサード リンク
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