Chinmoku no Kanita - The Silent Service Japan

The Silent Service is a manga series by Kaiji Kawaguchi. It was published in Kodansha's Weekly Morning manga magazine from 1988 to 1996 and collected in 32 tankobon volumes. The series was adapted into an anime TV special and OVA series by Sunrise. The first two episodes of the anime were later spliced together and released in North America as a single volume. The rest of the series remained untranslated.