Much of this information, the data, the photos etc. comes directly from the veterans, the veterans' organizations and is the most accurate available anywhere..............most of this information is not even known elsewhere.

The 31.U-Bootflottille (31st U-Boat Flotilla) was initially based at Hamburg then to Wilhelmshaven and Wesermünde.  It existed from September 1943 until April 1945.

Flotillenchefs of the 31st were:
     Kapitän zur See Bruno Mahn September 1943 until April 1945
     Korvettenkapitän CARL EMMERMANN (315-+-1987) for a very short time in April 1945

                CARL EMMERMANN

Sharkhunters Members get all this information and a whole lot more including a monthly Magazine with facts, veteran's memories and stories you cannot get anywhere else - and when you join, you may select one of our hand-signed photos of veterans of the war as your free gift.  Send us an email at with your name, and request a FREE sample of our KTB Magazine.  You will love it - and there is NO obligation!

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Many thanks to our friend and Sharkhunters Member since 1987 GEORG HÖGEL for all the conning tower emblems used in our monthly KTB Magazine and also here on the pages of our website.  GEORG was radioman aboard U-30, the first boat into combat, the first to sink a ship (the liner ATHENIA) and the first into an occupied French port.  When that Skipper (Lemp) took command of U-110, GEORG was one of the former crew to transfer to the new boat under Lemp.  After the war, he was Professor of Art at a major German university.