Page "Heinrich Lehmann-Willenbrock" Paragraph 2
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Upon the return of U-5, Lehmann-Willenbrock was transferred to the newly commissioned, a Type VIIC U-boat whose crew underwent a three-month training period before being put onto active duty.
The seventh patrol was the approximate time that Lothar-Günther Buchheim boarded U-96 and documented the boat's successes in his book Das Boot.
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