Type B submarine

Class overview
NameType-B submarines
Builders
Operators Imperial Japanese Navy
Preceded byJunsen type submarine
Subclasses
Built1938-1944
In commission1940-1945

The Cruiser submarine Type-B (巡潜乙型潜水艦, Junsen Otsu-gata sensuikan) was a class of submarine in the Imperial Japanese Navy (IJN) which served during World War II. The Type-B submarines were similar to the Type-A apart from not having the headquarters installation.