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Chungmugong Yi Sun-sin-class destroyer
Chungmugong Yi Sun-sin destroyer
ROKS Yi SunSin (DDH-975)
Class overview
Builders: Hyundai Heavy Industries
Daewoo Shipbuilding & Marine Engineering
Operators:  Republic of Korea Navy
Preceded by: Gwanggaeto the Great class destroyer
Succeeded by: Sejong the Great class destroyer
In commission: 2003–
Active: 6
General characteristics
Type: Destroyer
Displacement: 4,500 tonnes (4,429 long tons) standard
5,520 tonnes (5,433 long tons) full load
Length: 150 m (492 ft 2 in)
Beam: 17.4 m (57 ft 1 in)
Draft: 9.5 m (31 ft 2 in)
Propulsion: Combined diesel or gas
Speed: 29 knots (54 km/h; 33 mph)
Complement: 300
Aircraft carried: 2 × Super Lynx helicopters

Chungmugong Yi Sun-sin class destroyers (Hangul: 충무공 이순신급 구축함) are multipurpose destroyers of the Republic of Korea Navy. The lead ship of this class, ROKS Chungmugong Yi Sunsin, was launched in May 2002 and commissioned in December 2003. Chungmugong Yi Sun-sin class destroyers were the second class of ships to be produced in the Republic of Korea Navy's destroyer mass-production program named Korean Destroyer eXperimental, which paved the way for the navy to become a blue-water navy. Six ships were launched by Hyundai Heavy Industries and Daewoo Shipbuilding & Marine Engineering in four years.

Weapon Systems[]

The ship has a 32-cell strike-length Mk 41 VLS for SM-2 Block IIIA area-air defence missiles, one 21-round RAM inner-layer defence missile launcher, one 30 mm Goalkeeper close-in weapon system, one Mk 45 Mod 4 127 mm gun, eight Harpoon anti-ship missiles and two triple 324 mm anti-submarine torpedo tubes. Electronics suite includes one Raytheon AN/SPS-49(V)5 2D long-range radar (LRR), one Thales Nederland MW08 3D target indication radar (TIR), two Thales Nederland STIR240 fire-control radars with OT-134A Continuous Wave Illumination (CWI) transmitters, an SLQ-200(V)K SONATA electronic warfare system and a KDCOM-II combat management system which is derived from the Royal Navy Type 23 frigate's SSCS combat management system. BAE Systems WDS Mk 14 originally developed for the US Navy's New Threat Upgrade evaluates threats, prioritizes them, and engages them in order with SM-2.

On the 4th unit, ROKS Wang Geon, the 32-cell Mk 41 VLS is moved to the left and an indigenous VLS named K-VLS is installed on the right. The ship's forward part is spacious enough to take a 56-cell Mk 41 VLS.


The KDX-II is part of a much larger build up program aimed at turning the ROKN into a blue-water navy. It is said to be the first stealthy major combatant in the ROKN and was designed to significantly increase the ROKN's capabilities.[1]


Ships in the class[]

 Name   Number   Builder   Launched   Commissioned   Decommissioned   Status 
Chungmugong Yi Sun-sin DDH-975 Daewoo Shipbuilding & Marine Engineering 15 May 2002 30 November 2003 Active
Munmu the Great DDH-976 Hyundai Heavy Industries 11 April 2003 30 September 2004 Active
Dae Jo-yeong DDH-977 Daewoo Shipbuilding & Marine Engineering 12 November 2003 30 June 2005 Active
Wang Geon DDH-978 Hyundai Heavy Industries 4 May 2005 10 November 2006 Active
Gang Gam-chan DDH-979 Daewoo Shipbuilding & Marine Engineering 16 March 2006 1 October 2007 Active
Choe Yeong DDH-981 Hyundai Heavy Industries 20 October 2006 4 September 2008 Active


KDX-IIA is a proposed variant of the KDX-II. It will be armed with the advanced Aegis Combat System and will have enhanced features of KDX-II such as stealth. The ship has also been offered to the Indian Navy.[2]

See also[]


Further reading[]

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