Why were the German u-boats in WW2 named 'U+number' (U-101 for example) instead of more uniquely, like the u-boats of other belligerents? - Quora
Canadian Virtual Military Museum - Focus : Sub Text- The Laughing Sawfish Cartoon Insignia of 9th Flotilla (U-boat) IMAGE # 1 U-96 returning from patrol . Commander Heinrich Lehmann-Willenbrock is thought to
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