ROKS Seoae Ryu Seong-ryong (DDG-993)

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.[1]

ROKS Seoae Ryu Seong-ryong underway on 14 August 2015.
 South Korea
Name:
  • ROKS Seoae Ryu Seong-ryong
  • (서애 류성룡함)
Namesake: Seoae Ryu Seong-ryong
Builder: Hyundai Heavy Industries, South Korea
Launched: 24 March 2011
Commissioned: 30 August 2012
Identification: DDG-993
Status: Active
General characteristics
Class and type: Sejong the Great-class destroyer
Displacement:
  • 8,500 tons standard displacement
  • 11,000 tons full load
Length: 166 m (544 ft 7 in)
Beam: 21.4 m (70 ft 3 in)
Draft: 6.25 m (20 ft 6 in)
Propulsion:
Speed: exceeds 30 knots (56 km/h; 35 mph)
Range: 5,500 nautical miles (10,200 km; 6,300 mi)
Endurance: 30 days
Complement: 300 crew
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:
Aircraft carried: 2 × Super Lynx or SH-60 Seahawk
Aviation facilities: Hangar and helipad

Background

The ship features the Aegis Combat System (Baseline 7 Phase 1) combined with AN/SPY-1D multi-function radar antennae.[2]

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.[3]

At 8,500 tons standard displacement and 11,000 tons full load, the KDX-III Sejong the Great destroyers are by far the largest destroyers in the South Korean Navy, and indeed are larger than most destroyers in the navies of other countries.[4]and 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.[5] KDX-III are currently the largest ships to carry the Aegis combat system.[6]

Construction and career

ROKS Seoae Ryu Seong-ryong was launched on 14 November 2008 by Hyundai Heavy Industries. She was commissioned into service on 31 August 2010.

RIMPAC Exercise

ROKS Seoae Ryu Seong-ryong, ROKS Wang Geon and submarine ROKS Lee Sunsin participated in RIMPAC 2014.[7]

On 17 August 2020, ROKS Seoae Ryu Seong-ryong sailed to Hawaii with ROKS Chungmugong Yi Sun-sin to participate in the scaled down, at-sea-only 2020 RIMPAC exercises.[8]

References
  1. "Sejong the Great Class / KDX-III Class Destroyer". Naval Technology. Retrieved 2020-08-07.
  2. "Sejong the Great Class / KDX-III Class Destroyer". Naval Technology. Retrieved 2020-08-07.
  3. www.navyrecognition.com https://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. Retrieved 2020-08-07. Missing or empty |title= (help)
  4. "Koreas KDX-III AEGIS Destroyers". Archived from the original on 2009-12-11. Retrieved 2010-03-08.
  5. "Sejong the Great Class Guided Missile Destroyer." http://www.military-today.com/navy/sejong_the_great_class.htm
  6. "Aegis Weapon System Verified During Korean Navy Ship TrialsDefenceTalk.com - at DefenceTalk". www.defencetalk.com. Archived from the original on 2010-12-05. Retrieved 2010-10-21.
  7. "RIMPAC 2014: participating vessels by country". Naval Technology. 2014-07-07. Retrieved 2020-08-07.
  8. "Scaled-Back, At-Sea RIMPAC 2020 Exercise Kicks Off Near Hawaii". USNI News. 17 August 2020.
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