Chinmoku no Kantai
English title: Silent Service
Japanese title: 沈黙の艦隊
Type: OVA
Episodes: 3
Source: Manga
Genres: Action, Drama
Studios: Sunrise
Duration: 30 min per ep
Rating: PG-13 - Teens 13 or older

During the cold war, the Japan Maritime Self-Defense Force jointly developed a nuclear submarine with the United States Navy. On its maiden voyage, the captain of the submarine declares the submarine to be an independent state, "Yamato."