Chungmugong Yi Sun-sin-class destroyer (KDX-2)

Chungmugong Yi Sun-sin-class destroyer (KDX-2) 0Chungmugong Yi Sun-sin-class destroyer (KDX-2) 1Chungmugong Yi Sun-sin-class destroyer (KDX-2) 2Chungmugong Yi Sun-sin-class destroyer (KDX-2) 3Chungmugong Yi Sun-sin-class destroyer (KDX-2) 4Chungmugong Yi Sun-sin-class destroyer (KDX-2) 5

Basic information

Type:
Country of build:
Planned:
6
Completed:
6
In service:
2003 – present (21 year)

Ship measurements

Displacement:
5,500 t
Length:
150 m
Beam:
17.4 m
Draft:
9.5 m

Machine

Propulsion system:
Propulsion:
  • 2 * General Electric LM2500 Gas Turbines (58200 hp)
  • 2 * MTU 20V956 TB92 Diesel Engines
  • 2 * shafts, 2 * controllable pitch propellers
Speed:
30 knots
Range:
5500 nmi

Personnel

Complement:
200

Combat assets

Electronics:
  • Raytheon AN/SPS-49(V)5 2D long-range radar (LRR)
  • Thales Nederland MW08 3D target indication radar (TIR)
  • AN/SPS-95K navigation radar
  • Thales Nederland STIR 240 fire-control radars with OT-134A continuous wave illumination (CWI) transmitters
  • SLQ-200(V)K SONATA electronic warfare system
  • Thales TACTICOS combat management system
  • BAE/Samsung KDCOM-II combat data system
  • BAE WDS Mk.14 weapon direction system
  • Samsung/Thales Naval Shield integrated combat management system
  • ATLAS DSQS-21BZ hull mounted sonar
  • SQR-220K towed array sonar system (TASS)
  • K-DAGAIE Mk.2 decoy system
  • Mk.36 SRBOC decoy system
  • SLQ-261K torpedo acoustic counter measure system (TACM)
  • SLQ-200K Sonata EW suite and jammers
  • Daewoo towed torpedo decoy system
Armament:
  • 1 * 5 inch (127 mm)/L62 caliber Mk 45 Mod 4 naval gun
  • 1 * 30 mm Goalkeeper CIWS
  • 1 * RAM Block 1 CIWS
  • 8 * SSM-700K Haeseong Anti-ship Missiles
  • 32-cell Mk 41 VLS for SM-2 Block IIIA
  • 24-cell K-VLS for:
  • K-ASROC Red Shark
  • Hyunmoo III land attack cruise missiles
Aircraft:
  • 2 * Westland Lynx Mk.99A (AW159 Wildcat)

Chungmugong Yi Sun-sin class destroyers 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.

The ships have 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.

The electronics suite includes one Raytheon AN/SPS-49(V)5 2D long-range radar (LRR), one Thales Nederland MW08 target indication 3D 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.

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