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


The 21.U-Bootflottille (21st U-Boat Flotilla) was a U-Boat school flotilla based at Pillau, now known as Baltysk, Russia.  It was moved to Pillau 1 June 1940 and operated at Pillau until March 1945.

The Flotillenchefs of the 21st were:
     Kapitänleutnant Heinz Beduhn from November 1937 until March 1940
     Korvettenkapitän Paul Büchel from March 1940 until June 1943
     Korvettenkapitän Otto Schuhart from June 1943 until September 1944
     Kapitänleutnant Herwig Collmann from September 1944 until March 1945
                                            Otto Schuhart

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.