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KDX (Korean Destroyer eXperimental) is a substantial shipbuilding program embarked on by the Republic of Korea Navy.
It is a three-phased program consisting of three individual classes of ships:
| Name | Number | Builder | Launched | Commissioned | Decommissioned | Status |
|---|---|---|---|---|---|---|
| Gwanggaeto the Great | DDH-971 | Daewoo Heavy Industries | 28 October 1996 | July 24 1998 | Active | |
| Eulji Mundeok | DDH-972 | Daewoo Heavy Industries | 16 October 1997 | 30 August 1999 | Active | |
| Yang Manchun | DDH-973 | Daewoo Heavy Industries | 30 September 1998 | 29 June 2000 | Active |
| 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 |
| Name | Number | Builder | Launched | Commissioned | Decommissioned | Status |
|---|---|---|---|---|---|---|
| Batch I | ||||||
| Sejong the Great | DDG-991 | Hyundai Heavy Industries | 25 May 2007 | 22 December 2008 | Active | |
| Yulgok Yi I | DDG-992 | Daewoo Shipbuilding & Marine Engineering | 14 November 2008 | 31 August 2010 | Active | |
| Seoae Yu Seong-ryong | DDG-993 | Hyundai Heavy Industries | 24 March 2011 | 30 August 2012 | Active | |
| Batch II | ||||||
| Jeongjo the Great | DDG-995 | Hyundai Heavy Industries | 28 July 2022 | Launched | ||
| TBA | TBA | TBA | Planned | |||
| TBA | TBA | TBA | Planned | |||
An arsenal ship is a concept for a floating missile platform intended to have as many as five hundred vertical launch bays for large-sized missiles, most likely cruise missiles. In current U.S. naval thinking, such a ship would initially be controlled manually by an Aegis Cruiser, although plans that have long since been scrapped included control by AEW&C aircraft such as the E-2 Hawkeye and E-3 Sentry.
The Aegis Combat System is an American integrated naval weapons system, which uses computers and radars to track and guide weapons to destroy enemy targets. It was developed by the Missile and Surface Radar Division of RCA, and it is now produced by Lockheed Martin.
The Republic of Korea Navy, also known as the ROK Navy or South Korean Navy, is the naval warfare service branch of the South Korean armed forces, responsible for naval and amphibious operations. The ROK Navy includes the Republic of Korea Marine Corps, which functions as a branch of the Navy. The ROK Navy has about 70,000 regular personnel including 29,000 Republic of Korea Marines. There are about 140 commissioned ships in the ROK Navy. The naval aviation force consists of about 70 fixed-wing and rotary-wing aircraft. The ROK Marine Corps has about 300 tracked vehicles including assault amphibious vehicles.
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 Sejong the Great-class destroyers, also known as KDX-III, are three guided-missile destroyers of the Republic of Korea Navy (ROKN).
The Gwanggaeto the Great-class destroyers, often called KDX-I, are destroyers, but are classified by some as frigates, 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.
The Korean Attack Submarine program, KSS meaning Submarine, is a three-phased project to build up the Republic of Korea Navy 's attack submarine arsenal. Before the KSS program, the submarine fleet of the ROK Navy consisted of midget submarines, such as the Dolgorae class submarine and SX 756 Dolphin class submarine, which had limited capabilities for inshore operations. The KSS program sought to acquire submarines that can deter hostile submarines and surface ships; protect friendly naval bases and sea shores communications; carry out reconnaissance missions.
The Hyunmoo-3 is a cruise missile fielded by the South Korean military designed by Agency for Defense Development (ADD). The name Hyunmoo comes from a mythical beast described as the "Guardian of the Northern Sky", perhaps hinting North Korea.
ROKS Munmu the Great (DDH-976) is a Chungmugong Yi Sun-sin-class destroyer in the South Korean navy. It was named after the Korean king Munmu of Silla.
The K745A1 Red Shark torpedo, also called the K-ASROC, is a vertically launched anti-submarine missile successively developed and tested by Korea University of Science and Technology, the Agency for Defense Development (ADD) and the Republic of Korea Navy in 2009. The Red Shark missile has a range of 12 miles (19 km) and carries a K745 Blue Shark torpedo that is deployed by parachute near the intended target. After release, the Blue Shark independently searches for the target.
ROKS Chungmugong Yi Sun-sin (DDH-975) is a Chungmugong Yi Sun-sin-class destroyer in the Republic of Korea Navy. She is named after the Joseon Korean admiral Yi Sun-sin with his posthumous name, Chungmugong, literally “Lord of Loyal Valor”.
KDX-IIA is an Aegis Combat System armed variant of the KDX-II, Chungmugong Yi Sun-shin-class destroyer of the Republic of Korea Navy (ROKN). As of 2011 ROKN planned to build at least 6 ships of this class with a proposed displacement of 5500 ~ 7500 tons over the 2019 to 2026 time frame. It is the final part of the Korean Destroyer eXperimental program. Although the South Korean government has not released detailed documents about this class, it is likely to use stealth technology like KDX-II as well as having a more integrated sonar and better data link capabilities. All of these improvements are expected to enhance littoral combat as well as blue-water capabilities.
The Korean Next-Generation Destroyer (KDDX) is a next generation stealth guided-missile destroyer under development by Hyundai Heavy Industries for ROK Navy, to be launched after 2025. Displacement of the class is set to be about 8,000 tons, length 155 meters, breadth 18.8 meters and draft 9.5 meters. Will feature KVLS to launch Hyunmoo-3C land-attack cruise missiles and SSM-700K anti-ship missiles. At 8000 tons displacement, it will be lighter than Sejong the Great-class destroyers, but with more advanced sensors and stealth characteristics and lower operating costs. The ships will have advanced missile defense. The size of this new destroyer would be between that of the currently operating 4,200-ton KDX-II and the Aegis Destroyer KDX-III, and would be assigned to a naval task force. The total cost of developing and producing the six vessels is expected to top $6.2 billion.
ROKS Sejong the Great (DDG-991) is the lead ship of her class of guided missile destroyer built for the Republic of Korea Navy. She was the first Aegis-built destroyer of the service and was named after the fourth king of the Joseon dynasty of Korea, Sejong the Great.
ROKS Yulgok Yi I (DDG-992) is the second ship of the Sejong the Great-class destroyers that was built for the Republic of Korea Navy. She was designed around the Aegis Combat System and was named after philosopher and scholar of the Joseon Dynasty, Yulgok Yi I.
ROKS Seoae Ryu Seong-ryong is the third ship of the Sejong the Great-class destroyers built for the Republic of Korean Navy. She was the third Aegis-built ship of the service and was named after a scholar-official of the Joseon Dynasty of Korea, Seoae Ryu Seong-ryong.
ROKS Dae Jo-yeong (DDH-977) is a Chungmugong Yi Sun-sin-class destroyer in the Republic of Korea Navy. She is named after Dae Jo-yeong.
ROKS Wang Geon (DDH-978) is a Chungmugong Yi Sun-sin-class destroyer in the Republic of Korea Navy. She is named after Wang Geon.
ROKS Gang Gam-chan (DDH-979) is a Chungmugong Yi Sun-sin-class destroyer in the Republic of Korea Navy. She is named after Gang Gam-chan.
ROKS Jeongjo the Great (DDG-995) is the fourth ship the of the Sejong the Great-class destroyer of guided missile destroyers built for the Republic of Korea Navy, and the first of four KDX III Batch II ships to be built. She is the fourth Aegis-built destroyer of the service and was named after the 22nd monarch of the Joseon dynasty of Korea, Jeongjo of Joseon.