01-04-1933 -- Offiziersanwärter
01-01-1934 – Fähnrich zur See
01-09-1935 – Oberfähnrich zur See
01-06-1936 – Leutnant zur See
01-10-1937 – Oberleutnant zur See
01-04-1939 – Kapitänleutnant
01-04-1943 – Korvettenkapitän
During five combat patrols between May 12th 1941 and February 28th 1943, Ulrich Heyse was 311 days at sea and in that period he sunk 12 ships with a total tonnage of 83.693 BRT. In March 1943 he left as commander the U 128 and became a teacher at the Unterseebootlehrdivision. In March 1945 Korvettenkapitän Heyse received the command of the 32nd Trainings Flotilla. He stayed in this function till the German surrender a couple of months later.
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