''20th U-boat Flotilla'' ("20. Unterseebootsflottille") was a training flotilla ("''Ausbildungsflottille ''") of

Nazi Germany Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...

's ''

Kriegsmarine The (, ) was the navy of Germany from 1935 to 1945. It superseded the Imperial German Navy of the German Empire (1871–1918) and the inter-war (1919–1935) of the Weimar Republic. The was one of three official branches, along with the a ...

'' during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

. The flotilla was formed in Pillau, in June 1943 under the command of ''

Korvettenkapitän () is the lowest ranking senior officer in a number of Germanic-speaking navies. Austro-Hungary Belgium Germany Korvettenkapitän, short: KKpt/in lists: KK, () is the lowest senior officer rank () in the German Navy. Address The offici ...

'' Ernst Mengersen, and specialised in tactical training (''Vortaktische Ausbildung''). It was disbanded in February 1945.

References

{{Uboat 20 Military units and formations established in 1943 Military units and formations disestablished in 1945