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Siegfried was a "wolfpack" of German U-boats that operated during the battle of the Atlantic in World War II. ==Service history== ''Siegfried'' was formed in October 1943 to operate against the North Atlantic convoy routes and comprised 18 boats. It consisted of seven boats from the disbanded group ''Schlieffen'', plus eleven others from bases in France and Germany. All the reinforcements were commanded by new skippers; six from Norway were also new boats, while the five from France were experienced boats with new commanders. The ''Siegfried'' boats had fuel problems, so a re-fueling group was established north of the Azores, of three tankers and a flak boat as escort. ''Siegfried'' was deployed to intercept east-bound convoys in mid-Atlantic, planning to attack while travelling towards the re-fueling group and home bases in France. However the Allies became aware of ''Siegfried''s position, and diverted their east-bound HX and SC convoys out of harm's way, leaving a massively re-inforced west-bound convoy, ON 207 to run into ''Siegfried'' as bait. Three ''Siegfried'' boats were destroyed in engagements with ON 207’s escorts (, , and ), while the re-fueling group was attacked by USN hunter-killer groups centred on the escort carriers and . Two ''Siegfried'' boats ( and ) and one tanker () were destroyed and the flak boat () was damaged and forced to return to base. ''Siegfried'' was re-configured after these actions to form three sub-groups (''Siegfried 1-3'') and spread a wider net; further re-arrangements followed throughout November and December. None of these were successful, as the Allies were able to divert convoys around the patrol lines or steer through the gaps. 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「Wolfpack Siegfried」の詳細全文を読む スポンサード リンク
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