Sejong the Great Class (KDX-III)
Type: Destroyer
Domain: sea
Country of Origin: South Korea
Manufacturer: Hyundai Rotem
Overview
South Korea's first Aegis-equipped guided missile destroyer, displacing 11,000 tonnes full load — the largest surface combatant in the Republic of Korea Navy and one of the most powerful destroyers in the Asia-Pacific. Features the Lockheed Martin AN/SPY-1D(V) phased array radar and Aegis Weapon System Baseline 7, providing simultaneous tracking of over 900 targets and engagement of multiple threats. Armed with 128 VLS cells: 48-cell Mk 41 for SM-2 Block IIIB SAMs, 48-cell K-VLS for Hyunmoo-3C cruise missiles and K-ASROC anti-submarine rockets, plus 32-cell K-VLS for Haegung SAMs. Also carries 16x SSM-700K Haeseong anti-ship missiles, 1x Mk 45 Mod 4 127mm gun, CIWS, and torpedo tubes. Can embark 2x Super Lynx helicopters. Three ships in class: Sejong the Great (DDG-991), Yulgok Yi I (DDG-992), and Seoae Ryu Seong-ryong (DDG-993).
Technical Specifications
| crew | 300 |
|---|---|
| beam_m | 21.4 |
| sensor | AN/SPY-1D phased array radar |
| armament | 128-cell Mk41 VLS (SM-2/SM-3/SM-6/VL-ASROC), 8x Harpoon/Haesong, 127mm Mk 45 Mod 4, 2x Phalanx CIWS, K-745 torpedo |
| length_m | 165.9 |
| range_nm | 5500 |
| propulsion | COGAG: 4x GE LM2500 gas turbines |
| speed_knots | 30 |
| displacement_tonnes | 11000 |
Operators
- South Korea
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