Sejong the Great-class destroyer: Difference between revisions

	ROKS Sejong the Great (DDG-991)
Class overview
Builders	Hyundai Heavy Industries; Daewoo Shipbuilding & Marine Engineering;
Operators	Republic of Korea Navy
Preceded by	Chungmugong Yi Sun-sin class
Succeeded by	KDDX-class destroyer
Cost	$923 million per ship
Planned	6
Building	2
Completed	4
Active	4
General characteristics
Type	Guided-missile destroyer
Displacement	Batch I:; 7,650 tons standard displacement; 10,000 tons full load; Batch II:; 8,200 tons standard displacement; 12,000 tons full load;
Length	Batch I: 166 m (544 ft 7 in); Batch II: 170 m (557 ft 9 in);
Beam	21.4 m (70 ft 3 in)
Draft	6.25 m (20 ft 6 in)
Propulsion	4 × General Electric LM2500 COGAG;; 2 × shafts;; 100,000 shp (75,000 kW) produced power;
Speed	exceeds 30 knots (56 km/h; 35 mph)
Range	5,500 nmi (10,200 km; 6,300 mi)
Endurance	30 days
Complement	300
Sensors and ; processing systems	AN/SPY-1D(V) multi-function radar; AN/SPG-62 fire control radar; DSQS-21BZ-M hull-mounted sonar; SQR-220K towed array sonar system; Sagem Infrared Search & Track (IRST) system;
Electronic warfare ; & decoys	LIG Nex1 SLQ-200K Sonata electronic warfare suite
Armament	Batch I:; 1 × 5-inch (127 mm)/L62 caliber Mk 45 Mod 4 naval gun; 1 × 30 mm Goalkeeper CIWS; 1 × RAM Block 1 CIWS; 16 × SSM-700K Haeseong anti-ship missile; 2 × triple torpedo tubes for:; K745 Blue Shark torpedo; 1 × 48-cell, 1 × 32-cell (80 cells) Mk 41 VLS for:; SM-2 Block IIIB/IV; 1 × 48-cell K-VLS for:; K-ASROC Red Shark; Hyunmoo III land attack cruise missiles; K-SAAM short range air defence missiles; KM-SAM air defence missiles; Batch II:; 1 × 5-inch (127 mm)/L62 caliber Mk 45 Mod 4; 2 × 20mm Block 1B Phalanx CIWS; 8 × SSM-700K Haeseong anti-ship missile; 2 × triple torpedo tubes for:; K745 Blue Shark torpedo; 1 × 48-cell Mk 41 VLS for:; SM-2 Block IIIB/IV; SM-3 NTW Block IB; SM-6 Block I; 1 × 16-cell K-VLS for:; K-ASROC Red Shark; Hyunmoo III land attack cruise missiles; K-SAAM short range air defence missiles; KM-SAM air defence missiles; 1 × 24-cell K-VLS II for:; L-SAM long range air defence missiles; Hyunmoo IV-2 ballistic missiles;
Aircraft carried	2 × Super Lynx or SH-60 Seahawk
Aviation facilities	Hangar and helipad

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The Sejong the Great-class destroyers (Sejongdaewang-Geup Guchukam or Hangul: 세종대왕급 구축함, Hanja: 世宗大王級驅逐艦), also known as KDX-III, are three guided-missile destroyers of the Republic of Korea Navy (ROKN).^[3]

Hull name

On 20 April 2007, South Korean Chief of Naval Operations announced that the lead ship of KDX-III class destroyers will be referred to as Sejong the Great. Sejong the Great (Hangul: 세종대왕) is the fourth king of the Joseon Dynasty of Korea. He is credited with the creation of the indigenous Korean system of writing.^[4]

Background

The Sejong the Great class is the third phase of the ROKN's Korean Destroyer eXperimental (KDX) program, a substantial shipbuilding program, which is geared toward enhancing ROKN's ability to successfully defend the maritime areas around South Korea from various modes of threats as well as becoming a blue-water navy.^[5]

At 8,500 tons standard displacement and 10,000 tons full load, the KDX-III Sejong the Great destroyers are the largest destroyers in the ROKN and larger than most destroyers in the navies of other countries.^[6] They are built slightly bulkier and heavier than Arleigh Burke-class destroyers or Atago-class destroyers to accommodate 32 more missiles. As such, some analysts believe that this class of ships is more appropriately termed a class of cruisers rather than destroyers.^[1] As of 2010, KDX-III Batch II was the largest ships to carry the Aegis combat system.^[7]

Armaments

Sejong the Great-class destroyers' main gun is the 127 mm/L62 Mk 45 Mod 4 naval gun, an improved version of the same gun used on other warships from several other nations. Point-defense armaments include one 30 mm Goalkeeper CIWS and a RIM-116 Rolling Airframe Missile Block 1 21-round launcher, the first Aegis platform to carry RAM.^[8]^[9] Anti-aircraft armament consists of SM-2 Block IIIA and IIIB^[10] in 80 total Mk 41 VLS cells. Block IIIB has added infrared (IR) induction mode to Block IIIA, improving interception capability.

Anti-submarine warfare armaments consists of both K-ASROC Hong Sang-uh (Red Shark) anti-submarine rockets, which have the same form as the U.S. ASROC, and 32 K745 LW Cheong Sang-uh (Blue Shark) torpedoes. Anti-ship capability is provided by 16 SSM-700K Hae Sung (Sea Star) long-range anti-ship missiles, each with performance similar to the U.S. Harpoon. It is equipped on a navy ship that is built after the late KDX-II destroyers. Land-attack capability is provided by the Hyunmoo III cruise missile.^[5]

Missile batteries

Vertical Launching System: 128 total cells
- Mk 41 VLS 48 cells (Fwd)
- Mk 41 VLS 32 cells (Aft)
- K-VLS 48 cells (Aft)
Anti-ship missile launchers:
- 16 (4 × quadruple) launchers

Capabilities

The ship features the Aegis Combat System (Baseline 7 Phase 1) combined with AN/SPY-1D(V) multi-function radar antennae.^[11]^[5] This gives the destroyers the ability to track missiles launched from anywhere in North Korea. This capability was demonstrated by the tracking of a North Korean missile in April 2009.^[12]

The Sejong the Great-class destroyers are often compared to the Arleigh Burke and Atago classes because they utilize the AN/SPY-1D multi-function radar, and have similar propulsion and capabilities. One notable difference between the Sejong the Great-class ships and Arleigh Burkes is the number of VLS cells. Destroyers of the Sejong the Great class have a capacity of 128 missiles, as opposed to 96 on the Arleigh Burke class and the Japanese Atago-class destroyers. The Sejong the Great class is thus one of the most heavily armed ships in the world,^[13] with greater missile capacity than the Chinese People's Liberation Army Navy Type 055 destroyer^[14] (112 VLS cells). The Sejong the Great class is surpassed in VLS depth only by the Kirov-class battlecruiser with 352 missiles (entire missile load).^[15]

Another similarity to Arleigh Burke Flight IIA and Atago-class destroyers is the presence of full facilities for two helicopters,^[1] a feature missing from earlier Arleigh Burkes^[16] and Kongō-class destroyers.^[17]

BMD

In August 2016, press reports revealed that South Korea was considering adding the SM-3 interceptor to its Sejong the Great-class ships to enable them to perform ballistic missile defense in response to North Korean efforts to bolster offensive missile capabilities. This came months after the U.S. decision to deploy the THAAD missile interceptor system on mainland South Korea. The addition of SM-3s to the ships may require software and computer hardware upgrades.^[18] The following month, Aegis manufacturer Lockheed Martin confirmed the next three Sejong the Great vessels will be capable of performing "integrated air and missile defense" (IAMD) to supplement U.S. Army ground-based missile interceptors on the peninsula, likely being outfitted with the SM-3. While the first three destroyers are fitted with Aegis Baseline 7 based on older proprietary computers that can't carry out IAMD operations, the following three will be fitted with the Baseline 9 version of the Aegis Combat System that combines modern computing architecture to allow the AN/SPY-1D(V) radar to perform air warfare and BMD missions at the same time.^[19]

Ships in class

Name	Pennant number	Builder	Launched	Commissioned	Status
Batch I
ROKS Sejong the Great (Korean: 세종대왕함)	DDG-991	Hyundai Heavy Industries	25 May 2007	22 December 2008	Active
ROKS Yulgok Yi I (Korean: 율곡 이이함)	DDG-992	Daewoo Shipbuilding & Marine Engineering	14 November 2008	31 August 2010	Active
ROKS Seoae Ryu Seong-ryong (Korean: 서애 류성룡함)	DDG-993	Hyundai Heavy Industries	24 March 2011	30 August 2012	Active
Batch II
ROKS Jeongjo the Great (Korean: 정조대왕)	DDG-995	Hyundai Heavy Industries	28 July 2022	2 December 2024	Active
	DDG-996	Hyundai Heavy Industries	2024	2026	Under construction
	DDG-997	Hyundai Heavy Industries	2025	2027	Under construction

On 10 October 2019, HHI signed a deal to build the first of three 170m long, KDX-III Batch II Aegis destroyers for the ROKN. The Sejong the Great class is KDX-III Batch-I, and ROKN is planning 3 ships of KDX-III Batch-II.^[20] Under the deal, HHI will deliver the first ship by November 2024.^[21]

References

^ ^a ^b ^c "Sejong the Great Class Guided Missile Destroyer". Military Today. Archived from the original on 15 January 2024. Retrieved 26 December 2022.
^ https://www.navalnews.com/naval-news/2024/03/south-korea-starts-ship-launched-ballistic-missile-development/
^ "ROK (Republic of Korea) Navy to increase KDX-III Aegis destroyers to six by 2027". Navy Recognition. 11 December 2013. Archived from the original on 12 December 2013. Retrieved 12 December 2013.
^ Kim-Renaud, Young-Key (Spring 2000). "Sejong's Theory of Literacy and Writing" (PDF). Studies in the Linguistic Sciences. 30: 13–45 – via CORE.
^ ^a ^b ^c "Sejong the Great (Sejongdaewang) class Destroyer - KDX-III". Navy Recognition. Archived from the original on 13 October 2023. Retrieved 26 December 2022.
^ "Koreas KDX-III AEGIS Destroyers". Defense Industry Daily. 11 June 2015. Archived from the original on 11 December 2009. Retrieved 8 March 2010.
^ "Aegis Weapon System Verified During Korean Navy Ship Trials". Defence Talk. 2 August 2010. Archived from the original on 5 December 2010. Retrieved 21 October 2010.
^ "KDX-III / DDH-III Sejongdaewang". deagel.com. Archived from the original on 7 October 2006. Retrieved 7 April 2009. These ships will be the world's first combining proven AEGIS and RAM.
^ "Sejong the Great class Guided Missile Destroyer DDG ROK Navy". www.seaforces.org. Retrieved 17 November 2024.
^ "Republic of Korea - SM-2 Standard Missiles" (PDF). Defense Security Cooperation Agency. 26 May 2009. Archived from the original (PDF) on 27 May 2011. Retrieved 27 June 2009.
^ LaGrone, Sam (6 September 2016). "New South Korean Destroyers to Have BMD Capability". U.S. Naval Institute. Archived from the original on 1 October 2023. Retrieved 26 December 2022.
^ "Korea Launches 3rd Aegis Destroyer". The Chosun Ilbo. 25 March 2011. Archived from the original on 14 June 2012. Retrieved 10 May 2012.
^ Burleson, Mike (25 May 2010). "South Korean Naval Plight Our Own". New Wars. Archived from the original on 28 October 2011. Retrieved 10 November 2011.
^ Mizokami, Kyle (24 October 2016). "China's New Guided Missile Destroyer To Be Its Biggest Yet". Popular Mechanics. Archived from the original on 6 December 2016.
^ "Kirov Class". Military Today. Archived from the original on 15 January 2024.
^ Pike, John (2 November 2016). "DDG-51 ARLEIGH BURKE-class - Navy Ships". Military Analysis Network. Archived from the original on 27 September 2023. Retrieved 26 December 2022.
^ "Kongo class". Weaponsystems.net. Archived from the original on 5 February 2023. Retrieved 26 December 2022.
^ LaGrone, Sam (15 August 2016). "South Korea Wants BMD Capability for Guided Missile Destroyers". U.S. Naval Institute. Archived from the original on 15 August 2016.
^ LaGrone, Sam (6 September 2016). "New South Korean Destroyers to Have Ballistic Missile Defense Capability". U.S. Naval Institute. Archived from the original on 1 October 2023.
^ "Hyundai Heavy bags 677 bln-won deal to build upgraded Aegis destroyer". Yonhap News Agency. 10 October 2019. Archived from the original on 31 December 2021. Retrieved 10 October 2019.
^ Vavasseur, Xavier (11 May 2020). "South Korea's Mid-Term Defense Procurement Plan Largely Unaffected By COVID-19 Crisis". Naval News. Archived from the original on 21 May 2023.

External links

KDX-III Destroyer
KDX-III armaments Archived 7 October 2006 at the Wayback Machine

[militarytoday-1] "Sejong the Great Class Guided Missile Destroyer". Military Today. Archived from the original on 15 January 2024. Retrieved 26 December 2022.

[2] ttps://www.navalnews.com/naval-news/2024/03/south-korea-starts-ship-launched-ballistic-missile-development/

[auto-3] "ROK (Republic of Korea) Navy to increase KDX-III Aegis destroyers to six by 2027". Navy Recognition. 11 December 2013. Archived from the original on 12 December 2013. Retrieved 12 December 2013.

[4] Kim-Renaud, Young-Key (Spring 2000). "Sejong's Theory of Literacy and Writing" (PDF). Studies in the Linguistic Sciences. 30: 13–45 – via CORE.

[:0-5] "Sejong the Great (Sejongdaewang) class Destroyer - KDX-III". Navy Recognition. Archived from the original on 13 October 2023. Retrieved 26 December 2022.

[6] "Koreas KDX-III AEGIS Destroyers". Defense Industry Daily. 11 June 2015. Archived from the original on 11 December 2009. Retrieved 8 March 2010.

[7] "Aegis Weapon System Verified During Korean Navy Ship Trials". Defence Talk. 2 August 2010. Archived from the original on 5 December 2010. Retrieved 21 October 2010.

[8] "KDX-III / DDH-III Sejongdaewang". deagel.com. Archived from the original on 7 October 2006. Retrieved 7 April 2009. These ships will be the world's first combining proven AEGIS and RAM.

[9] "Sejong the Great class Guided Missile Destroyer DDG ROK Navy". www.seaforces.org. Retrieved 17 November 2024.

[10] "Republic of Korea - SM-2 Standard Missiles" (PDF). Defense Security Cooperation Agency. 26 May 2009. Archived from the original (PDF) on 27 May 2011. Retrieved 27 June 2009.

[11] LaGrone, Sam (6 September 2016). "New South Korean Destroyers to Have BMD Capability". U.S. Naval Institute. Archived from the original on 1 October 2023. Retrieved 26 December 2022.

[12] "Korea Launches 3rd Aegis Destroyer". The Chosun Ilbo. 25 March 2011. Archived from the original on 14 June 2012. Retrieved 10 May 2012.

[13] Burleson, Mike (25 May 2010). "South Korean Naval Plight Our Own". New Wars. Archived from the original on 28 October 2011. Retrieved 10 November 2011.

[14] Mizokami, Kyle (24 October 2016). "China's New Guided Missile Destroyer To Be Its Biggest Yet". Popular Mechanics. Archived from the original on 6 December 2016.

[15] "Kirov Class". Military Today. Archived from the original on 15 January 2024.

[16] Pike, John (2 November 2016). "DDG-51 ARLEIGH BURKE-class - Navy Ships". Military Analysis Network. Archived from the original on 27 September 2023. Retrieved 26 December 2022.

[17] "Kongo class". Weaponsystems.net. Archived from the original on 5 February 2023. Retrieved 26 December 2022.

[18] LaGrone, Sam (15 August 2016). "South Korea Wants BMD Capability for Guided Missile Destroyers". U.S. Naval Institute. Archived from the original on 15 August 2016.

[19] LaGrone, Sam (6 September 2016). "New South Korean Destroyers to Have Ballistic Missile Defense Capability". U.S. Naval Institute. Archived from the original on 1 October 2023.

[20] "Hyundai Heavy bags 677 bln-won deal to build upgraded Aegis destroyer". Yonhap News Agency. 10 October 2019. Archived from the original on 31 December 2021. Retrieved 10 October 2019.

[21] Vavasseur, Xavier (11 May 2020). "South Korea's Mid-Term Defense Procurement Plan Largely Unaffected By COVID-19 Crisis". Naval News. Archived from the original on 21 May 2023.

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@@ Line 19: / Line 19: @@
 | Total ships completed = 4
 | Total ships cancelled =
-| Total ships active = 3
+| Total ships active = 4
-| Cost = $923 million<ref name=":1" />
+| Cost = $923 million per ship<ref name="militarytoday" />
 }}
 {{Infobox ship characteristics
@@ Line 26: / Line 26: @@
 | Header caption =
 | Ship type = [[Guided-missile destroyer]]
-| Ship displacement = *7,650 tons standard displacement
+| Ship displacement =
+* '''Batch I:'''
+*7,650 tons standard displacement
-*10,600 tons full load
+*10,000 tons full load
+*'''Batch II:'''
-| Ship length = Batch 1 {{convert|166|m|ftin|abbr=on}}, Batch 2 {{convert|170|m|ftin|abbr=on}}
+*8,200 tons standard displacement
+*12,000 tons full load
+| Ship length = * '''Batch I:''' {{convert|166|m|ftin|abbr=on}}
+*'''Batch II:''' {{convert|170|m|ftin|abbr=on}}
 | Ship beam = {{convert|21.4|m|ftin|abbr=on}}
 | Ship draught =
@@ Line 45: / Line 51: @@
 * Sagem Infrared Search & Track (IRST) system
 | Ship EW = LIG Nex1 SLQ-200K ''Sonata'' [[electronic warfare]] suite
-| Ship armament = * 1 × [[5"/54 caliber Mark 45 gun|5-inch (127 mm)/L62 caliber Mk 45 Mod 4]] naval gun
+| Ship armament = * '''Batch I:'''
+* 1 × [[5"/54 caliber Mark 45 gun|5-inch (127 mm)/L62 caliber Mk 45 Mod 4]] naval gun
 * 1 × 30 mm [[Goalkeeper CIWS]]
 * 1 × [[RIM-116 Rolling Airframe Missile|RAM Block 1 CIWS]]
@@ Line 56: / Line 63: @@
 ** [[Hong Sang Eo (Red Shark) torpedo|K-ASROC Red Shark]]
 ** [[Hyunmoo III]] land attack cruise missiles
+** [[K-SAAM]] short range air defence missiles
+** [[KM-SAM]] air defence missiles
+* '''Batch II:'''
+* 1 × 5-inch (127 mm)/L62 caliber Mk 45 Mod 4
+* 2 × [[Phalanx CIWS|20mm Block 1B Phalanx CIWS]]
+* 8 × SSM-700K Haeseong anti-ship missile
+* 2 × triple torpedo tubes for:
+** K745 Blue Shark torpedo
+* 1 × 48-cell Mk 41 VLS for:
+** SM-2 Block IIIB/IV
+** [[RIM-161 Standard Missile 3|SM-3 NTW Block IB]]
+** [[RIM-174 Standard ERAM|SM-6 Block I]]
+* 1 × 16-cell K-VLS for:
+** K-ASROC Red Shark
+** Hyunmoo III land attack cruise missiles
+** K-SAAM short range air defence missiles
+** KM-SAM air defence missiles
+* 1 × 24-cell K-VLS II for:
+** [[L-SAM]] long range air defence missiles
+** [[Hyunmoo|Hyunmoo IV-2]] ballistic missiles<ref>https://www.navalnews.com/naval-news/2024/03/south-korea-starts-ship-launched-ballistic-missile-development/</ref>
 | Ship armor =
 | Ship aircraft = 2 × [[Super Lynx]] or [[SH-60 Seahawk]]
@@ Line 62: / Line 89: @@
 }}
 |}
-The '''''Sejong the Great''-class destroyers''' (Sejongdaewang-Geup Guchukam or [[Hangul]]: 세종대왕급 구축함, [[Hanja]]: 世宗大王級驅逐艦), also known as KDX-III, are three [[guided-missile destroyer]]s of the [[Republic of Korea Navy]] (ROKN).<ref name="auto">{{cite web |url=http://www.navyrecognition.com/index.php/news/defence-news/year-2013-news/december-2013-navy-naval-forces-maritime-industry-technology-security-global-news/1413-rok-republic-of-korea-navy-to-increase-kdx-iii-aegis-destroyers-to-six-by-2027-.html |title=ROK (Republic of Korea) Navy to increase KDX-III Aegis destroyers to six by 2027 |date=11 December 2013 |access-date=12 December 2013 |archive-url=https://web.archive.org/web/20131212071851/http://www.navyrecognition.com/index.php/news/defence-news/year-2013-news/december-2013-navy-naval-forces-maritime-industry-technology-security-global-news/1413-rok-republic-of-korea-navy-to-increase-kdx-iii-aegis-destroyers-to-six-by-2027-.html |archive-date=12 December 2013 |url-status=live }}</ref>
+The '''''Sejong the Great''-class destroyers''' (Sejongdaewang-Geup Guchukam or [[Hangul]]: 세종대왕급 구축함, [[Hanja]]: 世宗大王級驅逐艦), also known as KDX-III, are three [[guided-missile destroyer]]s of the [[Republic of Korea Navy]] (ROKN).<ref name="auto">{{cite web |date=11 December 2013 |title=ROK (Republic of Korea) Navy to increase KDX-III Aegis destroyers to six by 2027 |url=http://www.navyrecognition.com/index.php/news/defence-news/year-2013-news/december-2013-navy-naval-forces-maritime-industry-technology-security-global-news/1413-rok-republic-of-korea-navy-to-increase-kdx-iii-aegis-destroyers-to-six-by-2027-.html |url-status=live |archive-url=https://web.archive.org/web/20131212071851/http://www.navyrecognition.com/index.php/news/defence-news/year-2013-news/december-2013-navy-naval-forces-maritime-industry-technology-security-global-news/1413-rok-republic-of-korea-navy-to-increase-kdx-iii-aegis-destroyers-to-six-by-2027-.html |archive-date=12 December 2013 |access-date=12 December 2013 |website=Navy Recognition}}</ref>
 == Hull name ==
-On 20 April 2007, [[Chief of Naval Operations (South Korea)|South Korean Chief of Naval Operations]] announced that the lead ship of KDX-III class destroyers will be referred to as ''Sejong the Great''. [[Sejong the Great]] ([[Hangul]]: 세종대왕) is the fourth king of the [[Josun Dynasty]] of [[Korea]]. He is credited with the creation of the [[Hangul|indigenous Korean system of writing]].<ref>{{Cite journal|last=Kim-Renaud|first=Young-Key|date=Spring 2000|title=Sejong's Theory of Literacy and Writing|url=https://core.ac.uk/download/pdf/4818935.pdf|journal=Studies in the Linguistic Sciences|volume=30|pages=13–45|via=CORE}}</ref>
+On 20 April 2007, [[Chief of Naval Operations (South Korea)|South Korean Chief of Naval Operations]] announced that the lead ship of KDX-III class destroyers will be referred to as ''Sejong the Great''. [[Sejong the Great]] ([[Hangul]]: 세종대왕) is the fourth king of the [[Joseon Dynasty]] of [[Korea]]. He is credited with the creation of the indigenous Korean system of writing.<ref>{{Cite journal|last=Kim-Renaud|first=Young-Key|date=Spring 2000|title=Sejong's Theory of Literacy and Writing|url=https://core.ac.uk/download/pdf/4818935.pdf|journal=Studies in the Linguistic Sciences|volume=30|pages=13–45|via=CORE}}</ref>
 == Background ==
-The ''Sejong the Great'' class is the third phase of the South Korean navy's [[Korean Destroyer eXperimental]] (KDX) program, a substantial shipbuilding program, which is geared toward enhancing ROKN's ability to successfully defend the maritime areas around South Korea from various modes of threats as well as becoming a [[blue-water navy]].<ref name=":0">{{Cite web |title=Sejong the Great (Sejongdaewang) class Destroyer - KDX-III |url=http://www.navyrecognition.com/index.php/132-republic-of-korea-navy-vessels-ships-and-equipment/rok-navy-frigates-a-destroyers/844-sejong-the-great-sejongdaewang-kdx-iii-class-aegis-destroyer-republic-of-korea-rok-navy-yulgok-yi-i-seoae-yu-seong-ryong-hyundai-heavy-industries-hhi-dsme-datasheet-pictures-photos-video-specifications.html |access-date=2022-12-26 |website=www.navyrecognition.com}}</ref>
+The ''Sejong the Great'' class is the third phase of the ROKN's [[Korean Destroyer eXperimental]] (KDX) program, a substantial shipbuilding program, which is geared toward enhancing ROKN's ability to successfully defend the maritime areas around South Korea from various modes of threats as well as becoming a [[blue-water navy]].<ref name=":0">{{Cite web |title=Sejong the Great (Sejongdaewang) class Destroyer - KDX-III |url=http://www.navyrecognition.com/index.php/132-republic-of-korea-navy-vessels-ships-and-equipment/rok-navy-frigates-a-destroyers/844-sejong-the-great-sejongdaewang-kdx-iii-class-aegis-destroyer-republic-of-korea-rok-navy-yulgok-yi-i-seoae-yu-seong-ryong-hyundai-heavy-industries-hhi-dsme-datasheet-pictures-photos-video-specifications.html |url-status=live |archive-url=https://web.archive.org/web/20231013162328/https://navyrecognition.com/index.php/132-republic-of-korea-navy-vessels-ships-and-equipment/rok-navy-frigates-a-destroyers/844-sejong-the-great-sejongdaewang-kdx-iii-class-aegis-destroyer-republic-of-korea-rok-navy-yulgok-yi-i-seoae-yu-seong-ryong-hyundai-heavy-industries-hhi-dsme-datasheet-pictures-photos-video-specifications.html |archive-date=13 October 2023 |access-date=26 December 2022 |website=Navy Recognition}}</ref>
-At 8,500 tons standard displacement and 11,000 tons full load, the KDX-III ''Sejong the Great'' destroyers are the largest destroyers in the South Korean Navy and larger than most destroyers in the navies of other countries.<ref>{{cite web|url=http://www.defenseindustrydaily.com/drs-wins-multiplexing-contract-for-korean-aegis-destroyers-0431/|title=Koreas KDX-III AEGIS Destroyers|access-date=8 March 2010|archive-url=https://web.archive.org/web/20091211035207/http://www.defenseindustrydaily.com/drs-wins-multiplexing-contract-for-korean-aegis-destroyers-0431/|archive-date=11 December 2009|url-status=live}}</ref> They are built slightly bulkier and heavier than {{sclass|Arleigh Burke|destroyer|2}}s or {{sclass|Atago|destroyer|2}}s to accommodate 32 more missiles. As such, some analysts believe that this class of ships is more appropriately termed a class of [[cruisers]] rather than [[destroyers]].<ref>"Sejong the Great Class
+At 8,500 tons standard displacement and 10,000 tons full load, the KDX-III ''Sejong the Great'' destroyers are the largest destroyers in the ROKN and larger than most destroyers in the navies of other countries.<ref>{{cite web |date=11 June 2015 |title=Koreas KDX-III AEGIS Destroyers |url=http://www.defenseindustrydaily.com/drs-wins-multiplexing-contract-for-korean-aegis-destroyers-0431/ |url-status=live |archive-url=https://web.archive.org/web/20091211035207/http://www.defenseindustrydaily.com/drs-wins-multiplexing-contract-for-korean-aegis-destroyers-0431/ |archive-date=11 December 2009 |access-date=8 March 2010 |website=Defense Industry Daily}}</ref> They are built slightly bulkier and heavier than {{sclass|Arleigh Burke|destroyer|2}}<nowiki/>s or {{sclass|Atago|destroyer|2}}<nowiki/>s to accommodate 32 more missiles. As such, some analysts believe that this class of ships is more appropriately termed a class of [[cruisers]] rather than [[destroyers]].<ref name="militarytoday" /> As of 2010, KDX-III Batch II was the largest ships to carry the Aegis combat system.<ref>{{cite web |date=2 August 2010 |title=Aegis Weapon System Verified During Korean Navy Ship Trials |url=http://www.defencetalk.com/aegis-weapon-system-verified-during-korean-navy-ship-trials-27828/ |url-status=live |archive-url=https://web.archive.org/web/20101205084306/http://www.defencetalk.com/aegis-weapon-system-verified-during-korean-navy-ship-trials-27828/ |archive-date=5 December 2010 |access-date=21 October 2010 |website=Defence Talk}}</ref>
-Guided Missile Destroyer." http://www.military-today.com/navy/sejong_the_great_class.htm</ref> KDX-III are currently the largest ships to carry the Aegis combat system.<ref>{{cite web|url=http://www.defencetalk.com/aegis-weapon-system-verified-during-korean-navy-ship-trials-27828/|title=Aegis Weapon System Verified During Korean Navy Ship TrialsDefenceTalk.com - at DefenceTalk|website=www.defencetalk.com|access-date=21 October 2010|archive-url=https://web.archive.org/web/20101205084306/http://www.defencetalk.com/aegis-weapon-system-verified-during-korean-navy-ship-trials-27828/|archive-date=5 December 2010|url-status=live}}</ref>
 == Armaments ==
-''Sejong the Great''-class destroyers' main gun is the [[5"/54 caliber Mark 45 gun|127 mm/L62 Mk 45 Mod 4 naval gun]], an improved version of the same gun used on other warships from several other nations. Point-defense armaments include one 30&nbsp;mm [[Goalkeeper CIWS]] and a [[RIM-116 Rolling Airframe Missile|RIM-116 Rolling Airframe Missile Block 1 21-round]] launcher, the first Aegis platform to carry RAM.<ref>{{cite web|url=http://www.deagel.com/pandora/kdx-iii_pm00212001.aspx|title=KDX-III / DDH-III Sejongdaewang|publisher=Guide to Military Equipment and Civil Aviation|access-date=7 April 2009|quote=These ships will be the world's first combining proven AEGIS and RAM.|archive-url=https://web.archive.org/web/20061007093037/http://deagel.com/pandora/kdx-iii_pm00212001.aspx|archive-date=7 October 2006|url-status=live}}</ref> Anti-aircraft armament consists of [[RIM-66 Standard|SM-2 Block IIIA and IIIB]]<ref>{{cite web|title= Korea to acquire new missiles for Aegis destroyer|url= http://www.koreaherald.co.kr/NEWKHSITE/data/html_dir/2009/06/28/200906280009.asp|publisher= The Korea Herald|date= 28 June 2009 |access-date= 27 June 2009}}</ref><ref>{{cite web|title= Republic of Korea - SM-2 Standard Missiles|url= http://www.dsca.mil/PressReleases/36-b/2009/ROK_09-22.pdf|publisher= Defense Security Cooperation Agency|date= 26 May 2009|access-date= 27 June 2009|url-status= dead|archive-url= https://web.archive.org/web/20110527065207/http://www.dsca.mil/PressReleases/36-b/2009/ROK_09-22.pdf|archive-date= 27 May 2011}}</ref> in 80 total [[Mark 41 Vertical Launching System|Mk 41]] [[Vertical launching system|VLS]] cells. Block IIIB has added infrared (IR) induction mode to Block IIIA, improving interception capability.
+''Sejong the Great''-class destroyers' main gun is the [[5"/54 caliber Mark 45 gun|127 mm/L62 Mk 45 Mod 4 naval gun]], an improved version of the same gun used on other warships from several other nations. Point-defense armaments include one 30&nbsp;mm [[Goalkeeper CIWS]] and a [[RIM-116 Rolling Airframe Missile|RIM-116 Rolling Airframe Missile Block 1 21-round]] launcher, the first Aegis platform to carry RAM.<ref>{{cite web |title=KDX-III / DDH-III Sejongdaewang |url=http://www.deagel.com/pandora/kdx-iii_pm00212001.aspx |url-status=dead |archive-url=https://web.archive.org/web/20061007093037/http://deagel.com/pandora/kdx-iii_pm00212001.aspx |archive-date=7 October 2006 |access-date=7 April 2009 |website=deagel.com |quote=These ships will be the world's first combining proven AEGIS and RAM.}}</ref><ref>{{Cite web |title=Sejong the Great class Guided Missile Destroyer DDG ROK Navy |url=https://www.seaforces.org/marint/Republic-Korea-Navy/Destroyer/Sejong-the-Great-class.htm |access-date=2024-11-17 |website=www.seaforces.org}}</ref> Anti-aircraft armament consists of [[RIM-66 Standard|SM-2 Block IIIA and IIIB]]<ref>{{cite web|title= Republic of Korea - SM-2 Standard Missiles|url= http://www.dsca.mil/PressReleases/36-b/2009/ROK_09-22.pdf|publisher= Defense Security Cooperation Agency|date= 26 May 2009|access-date= 27 June 2009|url-status= dead|archive-url= https://web.archive.org/web/20110527065207/http://www.dsca.mil/PressReleases/36-b/2009/ROK_09-22.pdf|archive-date= 27 May 2011}}</ref> in 80 total [[Mark 41 Vertical Launching System|Mk 41]] [[Vertical launching system|VLS]] cells. Block IIIB has added infrared (IR) induction mode to Block IIIA, improving interception capability.
 [[Anti-submarine warfare]] armaments consists of both K-ASROC ''Hong Sang-uh'' (Red Shark) anti-submarine rockets, which have the same form as the U.S. [[RUR-5 ASROC|ASROC]], and 32 [[Chung Sang Eo|K745 LW ''Cheong Sang-uh'']] (Blue Shark) torpedoes. Anti-ship capability is provided by 16 SSM-700K ''Hae Sung'' (Sea Star) long-range anti-ship missiles, each with performance similar to the U.S. [[Harpoon (missile)|Harpoon]]. It is equipped on a navy ship that is built after the late KDX-II destroyers. Land-attack capability is provided by the [[Hyunmoo-3|Hyunmoo III]] cruise missile.<ref name=":0" />
@@ Line 87: / Line 113: @@
 == Capabilities ==
-The ship features the [[Aegis Combat System]] (Baseline 7 Phase 1) combined with [[AN/SPY-1]]D(V) multi-function radar antennae.<ref>{{Cite web |last=LaGrone |first=Sam |date=2016-09-06 |title=New South Korean Destroyers to Have BMD Capability |url=https://news.usni.org/2016/09/06/new-south-korean-destroyers-ballistic-missile-defense-capability |access-date=2022-12-26 |website=USNI News |language=en-US}}</ref><ref name=":0" /> This gives the destroyers the ability to track missiles launched from anywhere in North Korea. This capability was demonstrated by the tracking of a North Korean missile in April 2009.<ref>{{cite web |title=Korea Launches 3rd Aegis Destroyer |url=http://english.chosun.com/site/data/html_dir/2011/03/25/2011032501098.html |url-status=live |archive-url=https://web.archive.org/web/20120614014446/http://english.chosun.com/site/data/html_dir/2011/03/25/2011032501098.html |archive-date=14 June 2012 |access-date=10 May 2012}}</ref>
+The ship features the [[Aegis Combat System]] (Baseline 7 Phase 1) combined with [[AN/SPY-1]]D(V) multi-function radar antennae.<ref>{{Cite web |last=LaGrone |first=Sam |date=6 September 2016 |title=New South Korean Destroyers to Have BMD Capability |url=https://news.usni.org/2016/09/06/new-south-korean-destroyers-ballistic-missile-defense-capability |url-status=live |archive-url=https://web.archive.org/web/20231001024533/https://news.usni.org/2016/09/06/new-south-korean-destroyers-ballistic-missile-defense-capability |archive-date=1 October 2023 |access-date=26 December 2022 |website=U.S. Naval Institute |language=en-US}}</ref><ref name=":0" /> This gives the destroyers the ability to track missiles launched from anywhere in North Korea. This capability was demonstrated by the tracking of a North Korean missile in April 2009.<ref>{{cite web |date=25 March 2011 |title=Korea Launches 3rd Aegis Destroyer |url=http://english.chosun.com/site/data/html_dir/2011/03/25/2011032501098.html |url-status=live |archive-url=https://web.archive.org/web/20120614014446/http://english.chosun.com/site/data/html_dir/2011/03/25/2011032501098.html |archive-date=14 June 2012 |access-date=10 May 2012 |website=[[The Chosun Ilbo]]}}</ref>
-The ''Sejong the Great''-class destroyers are often compared to the ''Arleigh Burke'' and ''Atago'' classes because they utilize the AN/SPY-1D multi-function radar, and have similar propulsion and capabilities. One notable difference between the ''Sejong the Great''-class ships and ''Arleigh Burke''s is the number of [[vertical launch system|VLS]] cells. Destroyers of the ''Sejong the Great'' class have a capacity of 128 missiles, as opposed to 96 on the ''Arleigh Burke'' class and the Japanese ''Atago''-class destroyers. The ''Sejong the Great'' class is thus one of the most heavily armed ships in the world,<ref>{{cite web |url=http://newwars.wordpress.com/2010/05/25/south-korean-naval-plight-our-own/ |title=South Korean Naval Plight Our Own |first=Mike |last=Burleson |publisher=New Wars |date=25 May 2010 |access-date=10 November 2011 |archive-url=https://web.archive.org/web/20111028055920/http://newwars.wordpress.com/2010/05/25/south-korean-naval-plight-our-own/ |archive-date=28 October 2011 |url-status=live }}</ref> with greater missile capacity than the Chinese [[People's Liberation Army Navy]] [[Type 055 destroyer]]<ref>[http://www.popularmechanics.com/military/navy-ships/a23526/chinas-new-guided-missile-destroyer/ China's New Guided Missile Destroyer To Be Its Biggest Yet] {{Webarchive|url=https://web.archive.org/web/20161206010218/http://www.popularmechanics.com/military/navy-ships/a23526/chinas-new-guided-missile-destroyer/ |date=6 December 2016 }} - Popularmachanics.com, 24 October 2016</ref> (112 VLS cells) and the U.S. Navy {{sclass|Ticonderoga|cruiser|0}} [[guided missile cruiser|guided-missile cruiser]] (122 VLS cells). The ''Sejong the Great'' class is surpassed in VLS depth only by the {{sclass|Kirov|battlecruiser|2}} with 352 missiles (entire missile load).<ref>[http://www.military-today.com/navy/kirov_class.htm Kirov class] {{Webarchive|url=https://web.archive.org/web/20160304200138/http://www.military-today.com/navy/kirov_class.htm |date=4 March 2016 }} - Military-Today.com</ref>
+The ''Sejong the Great''-class destroyers are often compared to the ''Arleigh Burke'' and ''Atago'' classes because they utilize the AN/SPY-1D multi-function radar, and have similar propulsion and capabilities. One notable difference between the ''Sejong the Great''-class ships and ''Arleigh Burke''s is the number of [[vertical launch system|VLS]] cells. Destroyers of the ''Sejong the Great'' class have a capacity of 128 missiles, as opposed to 96 on the ''Arleigh Burke'' class and the Japanese ''Atago''-class destroyers. The ''Sejong the Great'' class is thus one of the most heavily armed ships in the world,<ref>{{cite web |url=http://newwars.wordpress.com/2010/05/25/south-korean-naval-plight-our-own/ |title=South Korean Naval Plight Our Own |first=Mike |last=Burleson |publisher=New Wars |date=25 May 2010 |access-date=10 November 2011 |archive-url=https://web.archive.org/web/20111028055920/http://newwars.wordpress.com/2010/05/25/south-korean-naval-plight-our-own/ |archive-date=28 October 2011 |url-status=live }}</ref> with greater missile capacity than the Chinese [[People's Liberation Army Navy]] [[Type 055 destroyer]]<ref>{{Cite web |last=Mizokami |first=Kyle |date=24 October 2016 |title=China's New Guided Missile Destroyer To Be Its Biggest Yet |url=https://www.popularmechanics.com/military/navy-ships/a23526/chinas-new-guided-missile-destroyer/ |url-status=live |archive-url=https://web.archive.org/web/20161206010218/http://www.popularmechanics.com/military/navy-ships/a23526/chinas-new-guided-missile-destroyer/ |archive-date=6 December 2016 |website=Popular Mechanics}}</ref> (112 VLS cells). The ''Sejong the Great'' class is surpassed in VLS depth only by the {{sclass|Kirov|battlecruiser|2}} with 352 missiles (entire missile load).<ref>{{Cite web |title=Kirov Class |url=https://www.militarytoday.com/navy/kirov_class.htm |url-status=live |archive-url=https://web.archive.org/web/20240115232624/https://www.militarytoday.com/navy/kirov_class.htm |archive-date=15 January 2024 |website=Military Today}}</ref>
-Another similarity to ''Arleigh Burke'' Flight IIA and ''Atago''-class destroyers is the presence of full facilities for two helicopters,<ref name=":1">{{Cite web |title=Sejong the Great Class Guided Missile Destroyer {{!}} Military-Today.com |url=http://www.military-today.com/navy/sejong_the_great_class.htm |access-date=2022-12-26 |website=www.military-today.com}}</ref> a feature missing from earlier ''Arleigh Burke''<ref>{{Cite web |title=DDG-51 ARLEIGH BURKE-class - Navy Ships |url=https://man.fas.org/dod-101/sys/ship/ddg-51.htm |access-date=2022-12-26 |website=man.fas.org}}</ref> and {{sclass|Kongō|destroyer|2}}s.<ref>{{Cite web |title=Kongo class |url=https://weaponsystems.net/system/617-Kongo+class |access-date=2022-12-26 |website=Weaponsystems.net |language=en}}</ref>
+Another similarity to ''Arleigh Burke'' Flight IIA and ''Atago''-class destroyers is the presence of full facilities for two helicopters,<ref name="militarytoday">{{Cite web |title=Sejong the Great Class Guided Missile Destroyer |url=http://www.military-today.com/navy/sejong_the_great_class.htm |url-status=usurped |archive-url=https://web.archive.org/web/20240115232605/https://www.militarytoday.com/navy/sejong_the_great_class.htm |archive-date=15 January 2024 |access-date=26 December 2022 |website=Military Today}}</ref> a feature missing from earlier ''Arleigh Burkes''<ref>{{Cite web |last=Pike |first=John |date=2 November 2016 |title=DDG-51 ARLEIGH BURKE-class - Navy Ships |url=https://man.fas.org/dod-101/sys/ship/ddg-51.htm |url-status=live |archive-url=https://web.archive.org/web/20230927030229/https://man.fas.org/dod-101/sys/ship/ddg-51.htm |archive-date=27 September 2023 |access-date=26 December 2022 |website=Military Analysis Network}}</ref> and {{sclass|Kongō|destroyer|2}}<nowiki/>s.<ref>{{Cite web |title=Kongo class |url=https://weaponsystems.net/system/617-Kongo+class |url-status=live |archive-url=https://web.archive.org/web/20230205140858/https://weaponsystems.net/system/617-Kongo+class |archive-date=5 February 2023 |access-date=26 December 2022 |website=Weaponsystems.net |language=en}}</ref>
 ===BMD===
-In August 2016, press reports revealed that South Korea was considering adding the [[SM-3]] interceptor to its ''Sejong the Great''-class ships to enable them to perform [[ballistic missile defense]] in response to North Korean efforts to bolster offensive missile capabilities. This came months after the U.S. decision to deploy the [[THAAD]] missile interceptor system on mainland South Korea. The addition of SM-3s to the ships may require software and computer hardware upgrades.<ref>[https://news.usni.org/2016/08/15/report-south-korea-wants-bmd-capability-guided-missile-destroyers Report: South Korea Wants BMD Capability for Guided Missile Destroyers] {{Webarchive|url=https://web.archive.org/web/20160815133049/https://news.usni.org/2016/08/15/report-south-korea-wants-bmd-capability-guided-missile-destroyers |date=15 August 2016 }} - News.USNI.org, 15 August 2016</ref> The following month, Aegis manufacturer [[Lockheed Martin]] confirmed the next three ''Sejong the Great'' vessels will be capable of performing "integrated air and missile defense" (IAMD) to supplement [[U.S. Army]] ground-based missile interceptors on the peninsula, likely being outfitted with the SM-3. While the first three destroyers are fitted with Aegis Baseline 7 based on older proprietary computers that can't carry out IAMD operations, the following three will be fitted with the Baseline 9 version of the Aegis Combat System that combines modern computing architecture to allow the AN/SPY-1D(V) radar to perform air warfare and BMD missions at the same time.<ref>[https://news.usni.org/2016/09/06/new-south-korean-destroyers-ballistic-missile-defense-capability New South Korean Destroyers to Have Ballistic Missile Defense Capability] {{Webarchive|url=https://web.archive.org/web/20160907153108/https://news.usni.org/2016/09/06/new-south-korean-destroyers-ballistic-missile-defense-capability |date=7 September 2016 }} - News.USNI.org, 6 September 2016</ref>
+In August 2016, press reports revealed that South Korea was considering adding the [[SM-3]] interceptor to its ''Sejong the Great''-class ships to enable them to perform [[ballistic missile defense]] in response to North Korean efforts to bolster offensive missile capabilities. This came months after the U.S. decision to deploy the [[THAAD]] missile interceptor system on mainland South Korea. The addition of SM-3s to the ships may require software and computer hardware upgrades.<ref>{{Cite web |last=LaGrone |first=Sam |date=15 August 2016 |title=South Korea Wants BMD Capability for Guided Missile Destroyers |url=https://news.usni.org/2016/08/15/report-south-korea-wants-bmd-capability-guided-missile-destroyers |url-status=live |archive-url=https://web.archive.org/web/20160815133049/https://news.usni.org/2016/08/15/report-south-korea-wants-bmd-capability-guided-missile-destroyers |archive-date=15 August 2016 |website=U.S. Naval Institute}}</ref> The following month, Aegis manufacturer [[Lockheed Martin]] confirmed the next three ''Sejong the Great'' vessels will be capable of performing "integrated air and missile defense" (IAMD) to supplement [[U.S. Army]] ground-based missile interceptors on the peninsula, likely being outfitted with the SM-3. While the first three destroyers are fitted with Aegis Baseline 7 based on older proprietary computers that can't carry out IAMD operations, the following three will be fitted with the Baseline 9 version of the Aegis Combat System that combines modern computing architecture to allow the AN/SPY-1D(V) radar to perform air warfare and BMD missions at the same time.<ref>{{Cite web |last=LaGrone |first=Sam |date=6 September 2016 |title=New South Korean Destroyers to Have Ballistic Missile Defense Capability |url=https://news.usni.org/2016/09/06/new-south-korean-destroyers-ballistic-missile-defense-capability |url-status=live |archive-url=https://web.archive.org/web/20231001024533/https://news.usni.org/2016/09/06/new-south-korean-destroyers-ballistic-missile-defense-capability |archive-date=1 October 2023 |website=U.S. Naval Institute}}</ref>
-== Ships in the class ==
+== Ships in class ==
 {|class=wikitable
 ! Name || Pennant number || Builder || Launched || Commissioned || Status
@@ Line 125: / Line 151: @@
 !colspan="6"| Batch II
 |-
-|ROKS ''Jeongjo the Great'' (Korean: 정조대왕)
+|[[ROKS Jeongjo the Great|ROKS ''Jeongjo the Great'']] (Korean: 정조대왕)
 |DDG-995
 |Hyundai Heavy Industries
 |28 July 2022
+|2 December 2024
+|Active
+|-
 |
+|DDG-996
-|Launched
+|Hyundai Heavy Industries
+|2024
+|2026
+|Under construction
+|-
+|
+|DDG-997
+|Hyundai Heavy Industries
+|2025
+|2027
+|Under construction
+|-
 |}
-On 10 October 2019, HHI signed a deal to build the first of three 170m long, KDX-III Batch II Aegis destroyers for the Republic of Korea Navy. The ''Sejong the Great'' class is KDX-III Batch-I, and Korean Navy is planning 3 ships of KDX-III Batch-II.<ref>{{cite web|url=https://m-en.yna.co.kr/view/AEN20191010006400320|title=Hyundai Heavy bags 677 bln-won deal to build upgraded Aegis destroyer|date=10 October 2019|access-date=10 October 2019}}</ref> Under the deal, HHI will deliver the first ship by November 2024.<ref>{{cite web|url=https://www.navalnews.com/naval-news/2020/05/south-koreas-mid-term-defense-procurement-plan-largely-unaffected-by-covid-19-crisis/|title=South Korea's Mid-Term Defense Procurement Plan Largely Unaffected By COVID-19 Crisis |date=May 2020}}</ref>
+On 10 October 2019, HHI signed a deal to build the first of three 170m long, KDX-III Batch II Aegis destroyers for the ROKN. The ''Sejong the Great'' class is KDX-III Batch-I, and ROKN is planning 3 ships of KDX-III Batch-II.<ref>{{cite web |date=10 October 2019 |title=Hyundai Heavy bags 677 bln-won deal to build upgraded Aegis destroyer |url=https://m-en.yna.co.kr/view/AEN20191010006400320 |url-status=live |archive-url=https://web.archive.org/web/20211231121745/https://m-en.yna.co.kr/view/AEN20191010006400320 |archive-date=31 December 2021 |access-date=10 October 2019 |website=[[Yonhap News Agency]]}}</ref> Under the deal, HHI will deliver the first ship by November 2024.<ref>{{cite web |last=Vavasseur |first=Xavier |date=11 May 2020 |title=South Korea's Mid-Term Defense Procurement Plan Largely Unaffected By COVID-19 Crisis |url=https://www.navalnews.com/naval-news/2020/05/south-koreas-mid-term-defense-procurement-plan-largely-unaffected-by-covid-19-crisis/ |url-status=live |archive-url=https://web.archive.org/web/20230521210301/https://www.navalnews.com/naval-news/2020/05/south-koreas-mid-term-defense-procurement-plan-largely-unaffected-by-covid-19-crisis/ |archive-date=21 May 2023 |website=Naval News}}</ref>
 ==See also==
@@ Line 143: / Line 184: @@
 == External links ==
+{{Commons category|Sejong the Great-class destroyer}}
 * [http://www.globalsecurity.org/military/world/rok/kdx-3.htm KDX-III Destroyer]
 * [http://www.deagel.com/pandora/kdx-iii_pm00212001.aspx KDX-III armaments] {{Webarchive|url=https://web.archive.org/web/20061007093037/http://deagel.com/pandora/kdx-iii_pm00212001.aspx |date=7 October 2006 }}

v t e Sejong the Great-class destroyers
Sejong the Great Yulgok Yi I Seoae Ryu Seong-ryong
Preceded by: Chungmugong Yi Sun-sin class Followed by: None
List of destroyers of the Republic of Korea Navy