South Korean Navy conducts test-launch Haeseong III cruise missile from Son Won II-class Type 214 submarine.

According to information released on the Republic of Korea Armed Forces Facebook account, the South Korean Navy has conducted a test-launch of local-made Hyunmoo-3 cruise missile from Son Won II-class (Type 214) submarine. The submarine-launched variant of the Hyunmoo III is designated as Haeseong III by the Republic of Korea Navy.
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South Korean Navy has conducted test-launch of Haeseong III cruise missile from Son Won II-class (Type 214) submarine. (Picture source Republic of Korea Armed Forces Facebook account)

The SSM-700K Haeseong is a family ship launched sea-skimming surface-to-surface anti-ship cruise missile developed by the South Korean Agency for Defense Development (ADD), LIG Nex1, and the Republic of Korea Navy in 2003. The version launched underwater from submarines is called the Haeseong III.

The Haeseong III is a supersonic, precision-guided, submarine-launched land-attack cruise missile. It is the third variant developed within South Korea’s Haeseong cruise missile series and has a range of approximately 1,500 km. It entered operational service in 2013.

According to South Korean military sources, the Haeseong III has a range of 1,500 km with a circular error probability (CEP) of 1-3 m. The missile can reach a maximum speed of 830m/s. The missile is launched from the submarine’s torpedo tube, thus allowing it to equip submarines that do not have the more advanced vertical launch systems.

Type 214 is a diesel-electric submarine developed by German company Howaldtswerke-Deutsche Werft GmbH (HDW). It features diesel propulsion with an air-independent propulsion (AIP) system using Siemens polymer electrolyte membrane (PEM) hydrogen fuel cells.

The Republic of Korea Navy has ordered nine Type 214 submarines, designated as Son Won-Il-class, to be built in Korea by Hyundai Heavy Industries and Daewoo Shipbuilding & Marine Engineering; three first batch models had entered service since 2007, and six second batch models will enter service from 2012.

South Korean Navy Son Won II-class (Type 214) submarine (Picture source ROK Navy)