Sang-O-class Country of Origin: North Korea Type: Diesel-Electric Submarine Builder: Bong… Your Content Goes Here× Already a member? Log in here Related Posts Sōryū-class Gallery Sōryū-class Victoria-class Gallery Victoria-class Chang Bogo-class Gallery Chang Bogo-class Type 214-class Gallery Type 214-class Dosan Ahn Changho-class Dosan Ahn Changho-class