Gwanggaeto the Great-class destroyer

The Gwanggaeto the Great-class destroyers (Hangul: 광개토대왕급 구축함, Hanja: 廣開土大王級 驅逐艦), often called KDX-I, are destroyers, but are classified by some as frigates,[1] operated by the Republic of Korea Navy. It was the first phase of ROKN's KDX program, in moving the ROK Navy from a coastal defence force to a blue-water navy.

Gwanggaeto the Great-class destroyer
Class overview
Builders: Daewoo Heavy Industries Co.
Operators:  Republic of Korea Navy
Succeeded by: Chungmugong Yi Sun-sin class
In commission: 1998–present
Planned: 12
Completed: 3
Cancelled: 9
Active: 3
General characteristics
Type: Destroyer
Displacement: 3,885–3,900 tonnes (3,824–3,838 long tons) full load
Length: 135.5 m (444 ft 7 in)
Beam: 14.2 m (46 ft 7 in)
Draft: 4.2 m (13 ft 9 in)
Propulsion:
Speed: 30 knots (56 km/h; 35 mph)
Range: 4,500 nmi (8,300 km; 5,200 mi) at 18 kn (33 km/h; 21 mph)
Complement: 286
Sensors and
processing systems:
Electronic warfare
& decoys:
  • SLQ-25 Nixie towed torpedo decoy
  • ARGOSystems AR 700 and APECS 2 ECM
  • 4 × CSEE DAGAIE MK 2 Chaff Launchers
Armament:
Aircraft carried: 2 × Super Lynx helicopters

Development

The KDX-I was designed to replace the old destroyers in the ROKN that were transferred from the US Navy in the 1950s and 1960s. It was thought to be a major turning point for the ROKN in that the launching of the first KDX-I meant that ROKN finally had a capability to project power far from its shores. After the launching of the ship, there was a massive boom in South Korean international participation against piracy and military operations other than war.

Description
ROKS Eulji Mundeok (DDH-972) rafted next to ROKS Chungmugong Yi Sun-sin (DDH-975) in Pearl Harbor, Hawaii during RIMPAC 2004

Weapon systems

The primary weapon deployed by Gwanggaeto the Great-class vessels is the Super Lynx helicopter, which acts in concert with shipboard sensors to seek out and destroy submarines at long distances from the ships. The Gwanggaeto the Great class also carries a close-in anti-submarine weapon in the form of the Mark 46 torpedoes, launched from triple torpedo tubes in launcher compartments either side of the forward end of the helicopter hangar. A secondary anti-shipping role is supported by the RGM-84 Harpoon surface-to-surface missile, mounted in two quadruple launch tubes at the main deck level between the funnel and the helicopter hangar. For anti-aircraft self-defense, the Gwanggaeto the Great class carries 16 RIM-7P Sea Sparrow. The Gwanggaeto the Great class also carries two 30mm Goalkeeper to provide a shipboard point-defense against incoming anti-ship missiles and aircraft. The main gun on the forecastle is an OTO Melara 127 gun.

Propulsion

The Gwanggaeto the Great class is powered by two General Electric LM2500-30 gas turbines and two SsangYong 20V 956 TB 82 diesel engines. The Gwanggaeto the Great class can reach a maximum speed of 30 knots.

Construction

All Gwanggaeto the Great-class destroyers were built by the Daewoo Heavy Industries Co., Inc. at Geoje, South Korea. In 1989, Daewoo Heavy Industries began working on the 4,000-ton destroyer which is now the secondary destroyer of the Korean navy, and the achievement was made through DSME's 100% design engineering for the first time in Korea.

Ships in the class
NamePennant numberBuilderLaunchedCommissionedDecommissionedStatus
ROKS Gwanggaeto the Great DDH-971 Daewoo Heavy Industries 28 October 1996 24 July 1998 Active
ROKS Eulji Mundeok DDH-972 Daewoo Heavy Industries 16 October 1997 30 August 1999 Active
ROKS Yang Man-chun DDH-973 Daewoo Heavy Industries 30 September 1998 29 June 2000 Active

Bhumibol Adulyadej class
HTMS Bhumibol Adulyadej (FFG 471)

The Bhumibol Adulyadej-class frigate is a modification of the Gwanggaeto the Great class for the Royal Thai Navy. It differs from the Gwanggaeto the Great class with the addition of stealth features.[2][3]

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See also

References
  1. "Korea's KDX-III AEGIS Destroyers". Defense Industry Daily. 2008-12-02. Retrieved 2008-12-03.
  2. Nanuamy, Wassana (December 19, 2018). "Navy prepares to receive new ship". Bangkok Post. Retrieved 18 December 2019.
  3. Voytenko, Mikhail (October 26, 2019). "Thai Navy News – new frigate, another one postponed, submarine keel laying ceremony". FleetMon. Retrieved 18 December 2019.
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