Specifications 8500light (tn) 11000full load (tn) 166length (m) 21beam (m) 6draught (m) 5500range (nm) 30max speed (knots) 4Naval Engine gas turbine - General Electric LM2500 2Naval Engine propulsion system: COGAG 2Missile Launcher Mk 41 VLS 1Close-In Weapon System Goalkeeper 1Naval Radar air search radar AN/SPY-1 AEGIS1Naval Radar fire direction radar AN/SPG-62 Aircraft Typical Max ROK Navy Westland Lynx 02 Shipyards Hyundai - Jeonha Dong1 List of Ships Filter: AllKR - Republic of Korea Navy .......... 3 Hide Transfers Hide derivatives 2008--ROK NavyDDG 991ROKS Sejongdaewang2010--ROK NavyDDG 992ROKS Yulgok Yi I2012--ROK NavyDDG 993ROKS Seoae Ryu Seong-ryong3 units Events 2007-may-25LaunchedLaunched DDG 991 ROKS Sejongdaewang 2008-nov-14LaunchedLaunched DDG 992 ROKS Yulgok Yi I 2008-dec-22CommissionedCommissioned DDG 991 ROKS Sejongdaewang 2010-junCommissionedCommissioned DDG 992 ROKS Yulgok Yi I 2011-mar-24LaunchedLaunched DDG 993 ROKS Seoae Ryu Seong-ryong