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ROKS Chungmugong Yi Sun-Sin (DDH-975)


Guided Missile Destroyer Warship (2003)


Naval Warfare

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Image from the United States Department of Defense imagery database.

Jump-to: Specifications

The ROKS Chungmugong Yi Sun-Sin DDH-975 guided missile destroyer continues to serve the modern South Korean Navy.



Authored By: Staff Writer | Last Edited: 04/06/2020 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.
A long coastline, burgeoning regional arms race, and unsettled maritime claims with its neighbors force South Korea to keep a modern and active naval force. It has followed the world lead by employing fleets of guided-missile platforms as is the case with the ROKS Chungmugong Yi Sun-sin (DDH-975), a guided missile destroyer launched on May 22nd, 2002 and formally commissioned on December 2nd, 2003. She keeps an active status in the South Korean Navy as of this writing (2014) and was constructed by Daewoo Shipbuilding and Marine Engineering.

DDH-975 serves as the lead ship of the Chungmugong Yi Sun-sin-class of fighting destroyers. She displaces at 4,800 tons under standard load and near 5,000 tons under full load. Dimensions include a running length of 492.1 feet, a beam of 55.8 feet, and a draught of 31.1 feet. Her propulsion system is conventional and consists of a CODOG ("COmbined Diesel Or Gas") arrangement. CODOG features a diesel engine and a geared gas turbine mated to each propeller shaft for high-speed dashing though only one engine is in play to the shaft at any one time (in contrast to the more complex CODAG arrangement seen in other warships). Her machinery allows for speeds near 30 knots in ideal conditions and ranges out to 5,500 nautical miles.

Outwardly, Chungmugong Yi Sun-sin has adopted modern shipbuilding design practices that includes slab-sided frontal and aft superstructures. Her main mast is enclosed and her smoke funnel well-integrated into her profile. At front is a sole deck gun with unobstructed views over the bow and to either side of the forward hull. Just aft of the gun is a Lockheed Mk 41 series Vertical Launching System (VLS) emplacement containing the bulk of her missile armament. The bridge sits aft of these cells and is clearly identified by its row of large windows. A missile launcher on a traversable mounting is situated atop the bridge superstructure and aft of this is the main mast containing the sensors, communications, and processing systems. The enclosed smoke funnel resides amidships with a pair of anti-ship missile quad launchers. Aft of this is the second superstructure containing air search and fire control systems along its roof as well as additional defensive weaponry. The stern features a helicopter deck for the launching and retrieval of a medium-lift navy helicopter system with full hangar services provided. The typical crew complement for the vessel is 200 personnel.
Armament of Chungmugong Yi Sun-sin begins with the 5" Mk 45 /54 caliber naval deck gun at front. The ship also carries a 32-cell VLS with SM-2 Block IIIA (RIM-66 Standard) missiles medium-range surface-to-air missiles for air defense. There is also an optional 32-cell bank that can be utilized under a full war load to launch rocket-assisted torpedoes or cruise missiles at sea- or land-based targets. A RIM-116 Rolling Airframe Missile (RAM) launcher provides close-in defense against inbound aerial threats. Its trainable mounting gives it flexible engagement angles. At midships is located a pair of AGM-84 Harpoon quad missile launchers for anti-ship duty. Extreme close-in defense work is handled by a 30mm "Goalkeeper" seven-barreled. Gatling-style gun system - comparable to the American 20mm Phalanx installation.

Among Chungmugong Yi Sun-sin's onboard systems is the Raytheon AN/SPS-49(V)5 2D air search radar set. The Thales (Signaal) MW08 3D G-band PESA (Passive, Electronically-Scanned Array) fire control target-marking radar is also fitted. Enemy submarines can be tracked/engaged through the DSQS-23 series hull-mounted active search/attack sonar system. There is also a Daewoo Telecom towed sonar array. Chungmugong Yi Sun-sin is outfitted with four chaff radar countermeasure launchers to help disrupt tracking threats to the ship.

Specifications



Service Year
2003

Origin
South Korea national flag graphic
South Korea

Status
COMMISSIONED
In Active Service.
Complement
200
PERSONNEL


Class
Chungmugong Yi Sun-Sin-class
Number-in-Class
6
VESSELS
Ships-in-Class


ROKS Chungmugong Yi Sun-Sin (DDH-975); Munmu the Great (DD-976); Dae Jo-Yeong (DD-977); Wang Geon (DD-978); Gang Gam-Chan (DD-979); Choe Yeong (DD-981)


National flag of South Korea South Korea
(OPERATORS list includes past, present, and future operators when applicable)
Offshore Bombardment
Offshore bombardment / attack of surface targets / areas primarily through onboard ballistic weaponry.
Land-Attack
Offshore strike of surface targets primarily through onboard missile / rocket weaponry.
Maritime Patrol
Active patroling of vital waterways and maritime areas; can also serve as local deterrence against airborne and seaborne threats.
Airspace Denial / Deterrence
Neutralization or deterrence of airborne elements through onboard ballistic of missile weaponry.
Fleet Support
Serving in support (either firepower or material) of the main surface fleet in Blue Water environments.


Length
492.1 ft
149.99 m
Beam
55.8 ft
17.01 m
Draught
31.1 ft
9.48 m
Displacement
5,000
tons


Installed Power: COmbined Diesel Or Gas (CODOG) arrangement driving 2 x Shafts.
Surface Speed
30.0 kts
(34.5 mph)
Range
5,501 nm
(6,330 mi | 10,187 km)


kts = knots | mph = miles-per-hour | nm = nautical miles | mi = miles | km = kilometers

1 kts = 1.15 mph | 1 nm = 1.15 mi | 1 nm = 1.85 km
1 x 5" /54 caliber Mk 45 deck gun
1 x 32-cell Lockheed SM-2 Block IIIA Vertical Launching System (VLS) missile system.
1 x 32-cell Hong Sang Eo (Red Shark) torpedo K-ASROC / Hyunmoo II (Tomahawk) cruise missile VLS (OPTIONAL).
1 x RIM-116 Rolling Airframe Missile (RAM) launcher with 21 missile reloads.
2 x Hae Sung (AGM-84 Harpoon) anti-ship quad missile launchers with 8 total missiles.
1 x 30mm "Goalkeeper" Close-In Weapon System (CIWS)


Supported Types


Graphical image of a modern warship turreted deck gun armament
Graphical image of an aircraft Gatling-style rotating gun
Graphical image of an aircraft aerial torpedo
Graphical image of an aircraft anti-ship missile
Graphical image of an air launched cruise missile weapon


(Not all weapon types may be represented in the showcase above)
1 x Medium-lift navy helicopter on stern flight deck with hangar support for second aircraft.


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