Tategami-class salvage tugboat
The were a class of rescue ship/tugboat of the Imperial Japanese Navy (IJN), serving during World War II. The was a wartime variant which introduced measures to simplify production. The official IJN designation for all vessels was . Background. After the Russo-Japanese War, the IJN purchased many steamships and converted them to salvage vessels. However, by the beginning of the 1930s, replacements were needed, to this end the IJN introduced the "Tategami"-class. Ships in classes. Section::::"Tategami" class. The IJN was going to build the "Tategami" class one by one for three years from fiscal year  1936, at first. However, the plan came to a deadlock for budget shortage by the second year. The IJN postponed building of second ship "Oshima" for two years. Section::::"Miura" class. To simplify and speed-up construction of the "Tategami" class, the Kampon introduced wartime standard ship structures into the "Tategami" design.