Following defeat in WW1, Germany was forbidden to build or operation U-boats. But in secret, the Weimar Republic’s navy began illegally designing submarines and training crews to operate them. This was a decade before an authoritarian government in Germany, and is largely unknown today. By 1935, Germany was ready to unleash the U-boat on the world once more!
Dr. Mark Felton FRHistS, FRSA, is a well-known British historian, the author of 22 non-fiction books, including bestsellers ‘Zero Night’ and ‘Castle of the Eagles’, both currently being developed into movies in Hollywood. In addition to writing, Mark also appears regularly in television documentaries around the world, including on The History Channel, Netflix, National Geographic, Quest, American Heroes Channel and RMC Decouverte. His books have formed the background to several TV and radio documentaries. More information about Mark can be found at: https://en.wikipedia.org/wiki/Mark_Felton
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Primary Source: ‘Yanagi: The Secret Underwater Trade Between Germany & Japan, 1942-45’, Mark Felton, (Pen & Sword: 2004)
Credits: US National Archives; Library of Congress; Prasenburg; Ralf Roletschek; Skannevi
