ROKS Sejong the Great (DDG-991) during the 2008 Busan International Fleet Review

Class overviewBuilders:Hyundai Heavy IndustriesDaewoo Shipbuilding & Marine EngineeringOperators: Republic of Korea NavyPreceded by:Chungmugong Yi Sun-sinCost:$923 million (per ship)[1]Planned:6Completed:3Active:3General characteristicsType:DestroyerDisplacement:8,500 tons standard displacement11,000 tons full loadLength:165 m (541 ft 4 in)Beam:21.4 m (70 ft 3 in)Draft:6.25 m (20 ft 6 in)Propulsion:4 General Electric LM2500 COGAGtwo shafts,100,000 shp (75 MW)Speed:exceeds 30 knots (56 km/h; 35 mph)Range:5,500 nautical miles (10,200 km; 6,300 mi)Complement:300-400 crew membersSensors and
processing systems:AN/SPY-1D(V) multi-function radarAN/SPG-62 fire control radarDSQS-21BZ hull mounted sonarMTeQ towed array sonar systemSagem Infrared Search & Track (IRST) systemElectronic warfare
& decoys:LIG Nex1 SLQ-200K Sonata suite[2]Armament:1 × 5 inch (127 mm/L62) Mk-45 Mod 4 naval gun1 × 30 mm Goalkeeper CIWS1 × RAM Block 1 CIWS4 × 4 SSM-700K Hae Sung anti-ship missiles80-cell Mk 41 VLSSM-2 Block IIIB/IV48-cell K-VLS32 × Hyunmoo III land attack cruise missiles16 × K-ASROC Red Shark in (VLS2 × 3 K745 LW Blue Shark torpedoesAircraft carried:Hangar for two Super Lynx or SH-60 Seahawk, one more on landing pad