Yono-class submarine

The Yono-class submarine is a class of North Koreanmidget submarines, produced for domestic use as well as for export. Also referred to as the Yeono class, these submarines displace 130 tons, significantly less than North Korea's larger 1,800-ton Romeo-class submarines. As of May 2010, North Korea is reported to operate ten of these submarines. North Korea has exported 14 submarines of Yono-class to Iran along established manufacturing facilities in the country.