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((Short description|Stealthy destroyer class under development by Hyundai Heavy Industries for ROK Navy,))
((More citations needed|date=June 2021))
The '''Korean Next-Generation Destroyer''' (KDDX) is a next generation [[stealth ship|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-3|Hyunmoo-3C]] [[land-attack missile|land-attack]] [[cruise missile]]s and [[SSM-700K]] [[anti-ship missile]]s. At 8000 tons displacement, it will be lighter than [[Sejong the Great-class destroyer]]s, but with more advanced sensors and stealth characteristics and lower operating costs.<ref>((cite web|url=https://www.navyrecognition.com/index.php/news/naval-exhibitions/2014-archive-naval-exhibitons/indomarine-2014/2160-dsme-showcasing-its-next-generation-kddx-destroyer-for-rok-navy-at-indo-defence-2014.html|title=DSME showcasing its next generation KDDX Destroyer for ROK Navy at Indo Defence 2014|author=|date=|website=navyrecognition.com|accessdate=5 November 2017))</ref><ref>((cite web|url=https://www.globalsecurity.org/military/world/rok/kdx-3-bmd.htm|title=KDX-III Destroyer|first=John|last=Pike|date=|website=globalsecurity.org|accessdate=5 November 2017))</ref><ref>((cite book|url=https://books.google.com/books?id=Jsd5CgAAQBAJ&q=korea+kddx&pg=PA293|title=The Changing Military Balance in the Koreas and Northeast Asia|first1=Anthony H.|last1=Cordesman|first2=Aaron|last2=Lin|date=7 July 2015|publisher=Rowman & Littlefield|isbn=9781442241114|accessdate=5 November 2017|via=Google Books))</ref> The ships will have advanced missile defense.<ref>((cite web|url=http://www.koreaherald.com/view.php?ud=20171019000769&mod=skb|title=Korea Herald|author=|date=|website=[[The Korea Herald]]|accessdate=5 November 2017))</ref><ref>((cite web|url=http://english.chosun.com/site/data/html_dir/2012/10/19/2012101901215.html|title=Korea to Boost Naval Capacity Amid Regional Arms Race|author=|date=|website=[[The Chosun Ilbo]]|accessdate=5 November 2017))</ref>  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.<ref>[http://espas.eu/orbis/sites/default/files/generated/document/en/160922_Korean_Peninsula_Modernization.pdf Korean peninsula modernization] espas.eu ((dead link|date=August 2023))</ref> The total cost of developing and producing the six vessels is expected to top $6.2 billion.<ref>((cite web | url = https://nationalinterest.org/blog/buzz/can-south-korea%E2%80%99s-new-aegis-destroyers-shoot-down-north-korean-missiles-41982 | title = Can South Korea's New Aegis Destroyers Shoot Down North Korean Missiles? | publisher = The National Interest | date = January 2019 | accessdate = 14 January 2020))</ref>

== History ==
The project was unveiled back in 2009 next-generation during the 2009 Navy Audit and was supposed to be equipped with SM-2 surface-to-air missiles and SPY-based radars that would slot in between the [[Chungmugong Yi Sun-sin-class destroyer]] (KDX-II) and [[Sejong the Great-class destroyer]] (KDX-III). <ref>((Cite web |date=2009-10-13 |title=S. Korean Navy to Build 6 Mini-Aegis Destroyers |url=https://www.koreatimes.co.kr/www/nation/2024/01/205_53441.html |access-date=2024-01-27 |website=[[The Korea Times]] |language=en))</ref> 

In 2012, it was again confirmed that the [[Republic of Korea Navy]] would procure six next-generation destroyers and the project being renamed from KDX-IIA to KDDX in the Basic Plans for Defense Reform (2012-2030) and that it would be built after 2020.<ref>((Cite web |last=김 |first=귀근 |date=2012-08-29 |title=軍, 사이버전 무기ㆍ전문인력 대폭 확충(종합) |url=https://www.yna.co.kr/view/AKR20120829143151043 |access-date=2024-01-27 |website=[[Yonhap News Agency]] |language=ko))</ref>  But by 2013, it was decided to procure three more destroyers under a new subclass of the [[Sejong the Great-class destroyer]] named KDX-III Batch II (''Jeongjo the Great'') and the funding and priority allotted for the KDDX was shifted to the new batch of AEGIS-equipped destroyers.<ref>((Cite web |title=난개발식 전력증강으로 국방예산 위기 |url=http://www.naeil.com/news_view/?id_art=138694 |access-date=2024-01-27 |website=내일신문))</ref> <ref>((Cite web |date=2013-12-11 |title=軍, 이지스함 3척 추가도입 확정 |url=https://www.donga.com/news/article/all/20131211/59468886/1 |access-date=2024-01-27 |website=[[The Dong-a Ilbo]] |language=ko))</ref>

In 2018, the 118th Defense Program Promotion Committee approved the Basic Strategy for the Promotion of the Korean Next Destroyer (KDDX) Project <ref>((Cite web |title=제118회 방위사업추진위원회 개최 결과 |url=https://www.korea.kr/briefing/policyBriefingView.do?newsId=156310791 |access-date=2024-01-27 |website=www.korea.kr |language=ko))</ref> and by 2019, work began on its initial basic design and its development. <ref>((Cite web |last=권 |first=혁주 |title=해군 "6천톤급 미니 이지스함 올해 기본설계 착수" |url=https://n.news.naver.com/article/079/0003278703 |access-date=2024-01-27 |website=[[Naver News]] |language=ko))</ref>

During MADEX 2019, both [[HD Hyundai Heavy Industries]] and [[Hanwha Ocean]] (then known as Daewoo Shipbuilding & Marine Engineering) displayed their proposal for the KDDX program. <gallery widths="200" heights="150" perrow="2" caption="Conceptual models displayed at MADEX 2021 (International Maritime Defense Industry Exhibition)">
File:Model of HHI proposal for KDDX class destroyer.jpg|Proposal by [[Hyundai Heavy Industries]] 
File:Model of DSME proposal for KDDX class destroyer.jpg|Proposal by [[DSME|Daewoo Shipbuilding & Marine Engineering]]
</gallery>

== See also ==
* [[Korean Destroyer eXperimental]]
* ((sclass|Gwanggaeto the Great|destroyer|1))
* ((sclass|Chungmugong Yi Sun-sin|destroyer|1))

== References ==
((reflist|30em))

((Republic of Korea Navy ships))

[[Category:Destroyers of the Republic of Korea Navy]]
[[Category:Proposed ships]]

((SouthKorea-stub))
((mil-ship-stub))

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