Sea Power :: Destroyers & Cruisers :: KDX-III

KDX-III

IOC: 22 December 2008
Total Production: 3
Also Known As: DDH-III Sejongdaewang (Sejong the Great) and King Sejong the Great (English name of the class)

Origin: South Korea

Contractor/s: Doosan Infracore, Hyundai Heavy Industries and Samsung Techwin

Description: The KDX-3 class ships are being designed by Hyundai Heavy Industries as the Korean counterpart to proven American DDG-51 class destroyers. These ships will feature the AEGIS weapon system with the AN/SPY-1D multi-function radar antennas. They will perform blue water missions with improved survivability over current and planned ships operated by the Korean Navy.

The number of MK41 cells estimated for the KDX-3 destroyer could be as high as 90. Standard SM-2, ESSM and Harpoon missiles are envisaged as the backbone of KDX-3 destroyers' weaponry but it has not been confirmed yet.

In October 2004, the Republic of Korea Navy ordered three RAM weapon systems for the KDX-III class destroyers. These ships will be the world's first combining proven AEGIS and RAM. South Korea intends to procure up to three KDX-3 destroyers, which are expected to achieve operational capability beyond 2010.

On November 15, 2004, General Electric announced that the LM2500 gas turbine was selected to power KDX-III destroyers with a firm order on 12 turbines. Samsung Techwin of South Korea is the propulsion system contract for this destroyer program. Four LM2500 gas turbines will be provided to each destroyer yielding 120,000-shp output altogether.

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:: Specifications ::

Crew: 300
Number of Weapons: 98

Dimensions
Beam: 21 meter (69 foot)
Draft: 6 meter (19.7 foot)
Length: 166 meter (545 foot)
Main Gun Caliber: 127 millimeter

Performance
Max Range at Cruise Speed: 5,500 nautical mile

Power
Total Combined Power: 120,000 shp (90 MW)

Speed
Top Speed: 30 knot (15.4 mps)

Weight
Full Displacement: 10,000 ton

:: News ::

There are 4 news between
31 Aug 2004
and
22 Dec 2008

Aegis Destroyer Sejong the Great Commissioned by the Republic of Korea Navy FMS: Korea Seeks SM-2 Block IIIB Standard Missiles Korean KDX-3 Destroyers to Get Rolling Airframe Missiles Lockheed-Martin Completes Land-based Testing of AEGIS BMD Capability

:: Operators ::

Operators
	Country	Items	Country	Items
	South Korea	3

fully confirmed operational planned retired cancelled destroyed

:: Related Equipment ::

Related Equipment
		Qty
	Anti-Ship Missiles
	C-Star	x8
	Red Shark
	Land Attack Cruise Missiles
	Cheonryong
	Ship Air Defense Systems
	AEGIS
	Mk-31 RAM
	Ship Power Plants
	LM2500	x4
	Ship Sensors
	AN/SPY-1D	x4
	Surface-to-Air Missiles
	Standard SM-2 Block IIIA
	Standard SM-2 Block IIIB
	Tactical Support Helicopters
	Super Lynx	x2
	Torpedoes
	Blue Shark
	Weapon Stations
	Mk 45 mod 4

:: Ship Listing ::

Ship Listing
	Serial	Ship's Name	Flag	Keel Laying	Launch Date	Commissioning	Decommissioning
	DDH 991	ROKS Sejongdaewang		23 November 2007	-	22 December 2008	-
	DDH 992	ROKS Yulgok Yi I		-	-	August 2010	-
	DDH 993			-	-	2012	-

:: Image Gallery ::

There are 3 images added between
3 Dec 2006
and
9 Jan 2008

:: Notes & Resources ::

Last Updated:
Saturday, February 2, 2013

(*) lead contractor

IOC: Initial Operating Capability
FOC: Full Operating Capability
CEP: Circular Error Probable
Comm: Commissioning Date
Meters (m) Kilometers (km) Nautic Miles (nm) Inch (in) Yard (yd) Foot (ft) Millimeter (mm)
Pound (lb) Kilogram (kg) kN (KiloNewton) Ton (t)
Meters per Second (mps) Kilometers per Hour (kph) Knot (kt) Miles per Hour (mph)
Liter (l) Galon (gl)
Year (yr) Minutes (min) Second (sec)
Shaft-Horse-Power (shp)

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