1 Copy Number
2 Please find enclosed copy number 1 at 10th U-boat Flotilla Registry number Secret Military Document 1305. The Flotilla marks their KTB copy with the registry number and year in their classified material tracking system.
3 Each KTB has a Admiralty stamp noting the PG number assigned by the Naval Intelligence Division the time the records arrived in London.
4 The assigned 10th Flotilla was founded in January 1942 and based in Lorient France. It ceased in August 1944 when the last boat left for Norway.
5 27th U.-FL or 27th Training Flotilla was founded in January 1940 and based in Gotenhafen. It was here that new U-boats received their tactical training ( Taktische Ausbildung Unterseeboote ) and underwent a 8-25 day tactical practice ( Taktische Übung ). This consisted of a simulated convoy battle in the Baltic Sea; some boats had to undergo this exercise more than once until the boat reached a satisfactory level of competence. The 27th Flotilla was the last training station for the new boats and was disbanded in March 1945.
U.L.D = U-boat Training Division / 25.U-FL. = 25th U-boat Flotilla; a training flotilla based in Danzig at that time. There the torpedo fire-training took place for the newly commissioned boats ( Torpedoschiessausbildung ). The training period was as a rule 3-4 weeks. The Flotilla's history ended in May 1945 when it was disbanded.
Agru-front = Training unit for Frontier U-boats / Kptlt.Jebsen = Lieutenant Commander Jebsen for 26th.U.-FL. ; a training flotilla based in Pillau at that time.
6 Please find enclosed copy 108 at Operations Directorate, Supreme Naval Command 3093/42 Secret Military Document. The Operations Directorate marks the number they assigned to their copy of the KTB and the registry number/year in their classified material tracking system.
1 Hamburg-Finkenwarder is a district in Hamburg Germany close to the river Elbe. For many years the shipbuilding company of Deutsche Werft AG built ships in this area. During WW2 the shipyard was taken over by the military for the sole production of U-boats.
2 U.A.K U-boat Acceptance Commission took over the recently constructed and commissioned U-boats at the shipyards.
3 U.A.G 1 U-boat Acceptance Group 1
4 Many of the place names are as they are known in Germany. Gdansk ( Poland ) for example is called Danzig in German. Once part of Germany it became Polish after WW1 only to be re-annexed after the invasion of Poland in 1939. In the early part of 1945 the Russian Army conquered the city and returned it to the Poles. Gotenhafen was the name Germany gave the city of Gdynia ( Poland ) when it was occupied by German troops in September 1939; from the word Goths a ancient Germanic tribe. Hela refers to Hel ( Poland ), used during WW2 as a German Naval U-boat crew training base. The Hel Peninsula was one of the longest defended pockets of the Polish Army until October 1939 shortly before capitulation. Pillau once a Prussian fishing village is now part of the Russian Federation, located near Kaliningrad it became Baltiysk after 1945. Stettin refers to the now Polish city of Szczecin. Once a major city of the Prussian led German Empire in 1871, from 1935 it became an important military administrative and logistical hub. The Russian Army captured the city in April 1945 and handed it over to the Poles one month later.
5 T.E.K Trials with Torpedo Testing Command, responsible for testing of newly developed torpedoes.
6 The 26th U-boat Training Flotilla was based in Pillau and founded in April 1941. There the torpedo fire-training took place for the newly commissioned boats ( Torpedoschiessausbildung ). The training period was as a rule 3-4 weeks. The Flotilla history ended in May 1945 when Germany surrendered.
7 Commander under German War Shipping Administration Training
1 Supreme Naval Command
2 Head of German Naval Radio Intelligence Service