Sejong the Great-class destroyer

ROKS Sejong the Great (DDG-991)
Class overview
Builders
Operators Republic of Korea Navy
Preceded byChungmugong Yi Sun-sin class
Succeeded byKDDX-class destroyer
Cost$923 million per ship[1]
Planned6
Building2
Completed4
Active3
General characteristics
TypeGuided-missile destroyer
Displacement
  • 7,650 tons standard displacement
  • 10,000 tons full load
LengthBatch 1 166 m (544 ft 7 in), Batch 2 170 m (557 ft 9 in)
Beam21.4 m (70 ft 3 in)
Draft6.25 m (20 ft 6 in)
Propulsion
Speedexceeds 30 knots (56 km/h; 35 mph)
Range5,500 nmi (10,200 km; 6,300 mi)
Endurance30 days
Complement300
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 carried2 × Super Lynx or SH-60 Seahawk
Aviation facilitiesHangar and helipad

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).[2]

  1. ^ Cite error: The named reference militarytoday was invoked but never defined (see the help page).
  2. ^ "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.