page_title: German submarine U-604
section_title: Wolfpacks
hierarchical_section_title: German submarine U-604 / Service history / Wolfpacks
caption_attribution_description: Português: U-604 sob ataque do VB-129.
context_page_description: German submarine U-604 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II.
  She was laid down on 27 February 1941 by Blohm & Voss in Hamburg as yard number 580, launched on 16 November 1941 and commissioned on 8 January 1942 under Kapitänleutnant Horst Höltring.
context_section_description: She took part in five wolfpacks, namely,
  Vorwärts (28 August – 1 September 1942)
  Streitaxt (20–31 October 1942)
  Draufgänger (1–11 December 1942)
  Ungestüm (11–22 December 1942)
  Knappen (19–25 February 1943)
caption: U-604 under attack of the VB-129.
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