Republic of Korea Navy
…submarine equipped with an Air-Independent Propulsion (AIP) system. In May 2007, the ROK Navy launched the lead ship (DDG 991) of the 11,000-ton Sejong the Great-class destroyers, built around the American-made AEGIS combat system and the SPY-1D(v) multi-function phased array radar. In December 2008, the ROK Navy…