Hans Fiedler
Who commanded German submarine U-120 (1940) from Feb 1942 to Sep 1942?
German submarine U-120 ( 1940 ) German submarine U-120 was a Type IIB U-boat of Nazi Germanys Kriegsmarine during World War II . She was laid down on 31 March 1938 at the Flender Werke , Lübeck as yard number 268 . She was launched on 16 March 1940 and commissioned on 20 April under Oberleutnant zur See ( Oblt.z.S. ) Ernst Bauer . Emblem . U-120s emblem was an oak leaf , with an anchor , and a knife or dagger . She also shared this emblem with , , , and . Built for China . The Chinese Nationalist government used 10,000,000 Marks to order two Type IIB U-boats in 1937 . They also dispatched 80 men to Germany for training in submarine operations . The Japanese government complained about this transaction , so the Chinese took their money back and these two vessels joined the Kriegsmarine after the outbreak of the Second World War in Europe . They were U-120 and U-121 . Design . German Type IIB submarines were enlarged versions of the original Type IIs . U-120 had a displacement of when at the surface and while submerged . Officially , the standard tonnage was , however . The U-boat had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was powered by two MWM RS 127 S four-stroke , six-cylinder diesel engines of for cruising , two Siemens-Schuckert PG VV 322/36 double-acting electric motors producing a total of for use while submerged . She had two shafts and two propellers . The boat was capable of operating at depths of up to . The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged , the boat could operate for at ; when surfaced , she could travel at . U-120 was fitted with three torpedo tubes at the bow , five torpedoes or up to twelve Type A torpedo mines , and a anti-aircraft gun . The boat had a complement of twenty five . Service history . U-120 was active from 1940 until she was scuttled in 1945 . She was one of two Type II U-boats built at the Flender Werke in Lübeck . Along with her sister boat , she was originally built for export to China . The advent of World War II and increased training needs , led the German high command to assign U-120 and U-121 to the training command . From 20 April 1940 to 30 June she was part of the U-Bootschulflottille . In July 1940 she became part of the 21st U-boat Flotilla as a training boat until 16 March 1945 when she became part of the 31st U-boat Flotilla ( training ) until 2 May 1945 when she was scuttled at Bremerhaven . The boat was raised in 1950 and broken up for scrap . Many sources incorrectly report that U-120 sank due to a malfunctioning toilet . This submarine was actually the much larger . Commanders . - 20 April 1940 – 25 November : Oberleutnant zur See Ernst Bauer ( Knights Cross ) - 26 November 1940 – 19 May 1941 : Kptlt . Wolfgang Heyda - 20 May 1941 – 24 February 1942 : Oblt.z.S . Willy-Roderich Körner - 25 February 1942 – 30 September : Oblt.z.S . Hans Fiedler - 24 May 1943 – 26 July 1943 Oblt.z.S . Adolf Gundlach - 26 July 1943 – 14 September 1944 : Oblt.z.S . Joachim Sauerbier - 15 September 1944 – 2 May 1945 : Oblt.z.S . Rolf Rüdiger Bensel