The history of the German U-boat. From the early models used in WWI to the most popular models of WWII and even some of the experimental models that never saw action, this documentary focuses on what Winston Churchill called his biggest ...See moreThe history of the German U-boat. From the early models used in WWI to the most popular models of WWII and even some of the experimental models that never saw action, this documentary focuses on what Winston Churchill called his biggest concern during the war. Written by
Havan_IronOak
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