Please answer the following question: Facts:   - battles: world war ii    - death date: 23 may 1943    - allegiance: nazi germany nazi germany    - commands: u-121 1940 2 u-752 2    - rank: '' korvettenkapitän ''      - birth date: 3 december 1912    - serviceyears: 1934 -- 1943    - name: karl-ernst schroeter    - branch: nazi germany    - death place: north atlantic ocean    - birth place: freystadt , silesia , germany   Based on these bullet points, write a short biography describing the life of karl-ernst schroeter .
Answer:
karl-ernst schroeter -lrb- 3 december 1912 -- 23 may 1943 -rrb- was a `` korvettenkapitän '' with the kriegsmarine during world war ii and commander of and .schroeter is credited with sinking eight ships , all in `` u-752 '' , for .schroeter commissioned the new type iib u-boat on may 28 , 1940 and served as her first commanding officer until march 30 , 1941 .the `` u-121 '' spent her entire career as training vessel and schroeter saw no combat in her .from the `` u-121 '' schroeter moved on to the new type viic , which was commissioned on may 24 , 1941 .schroeter would command the `` u-752 '' for the next two years until its sinking and his death on may 23 , 1943 .