Carsten Tank-Nielsen was a Norwegian naval officer, submarine pioneer and Rear admiral

Rear Admiral

Rear admiral is a naval commissioned officer rank above that of a commodore and captain, and below that of a vice admiral. It is generally regarded as the lowest of the "admiral" ranks, which are also sometimes referred to as "flag officers" or "flag ranks"...

. He was born in Horten

Horten

is a town and municipality in Vestfold county, Norway—located along the Oslofjord. The administrative centre of the municipality is the town of Horten. The municipality also includes the villages of Borre, Åsgårdstrand, Skoppum, and Nykirke....

, and was the grandson of Carsten Tank Nielsen

Carsten Tank Nielsen

Carsten Tank Nielsen was a Norwegian appointed Minister of the Navy in 1884....

. He was chief of the Norwegian Navy's first submarine Kobben from 1909 to 1913. He was decorated Knight, First Class of the Order of St. Olav in 1926. He was appointed Rear admiral in 1938, and faced the German invasion of Norway

Operation Weserübung

Operation Weserübung was the code name for Germany's assault on Denmark and Norway during the Second World War and the opening operation of the Norwegian Campaign...

 as a commander in Bergen

Bergen

Bergen is the second largest city in Norway with a population of as of , . Bergen is the administrative centre of Hordaland county. Greater Bergen or Bergen Metropolitan Area as defined by Statistics Norway, has a population of as of , ....

.