ROKS Seoae Ryu Seong-ryong
She was the third Aegis-built ship of the service and was named after a scholar-official of the Joseon Dynasty of Korea, Seoae Ryu Seong-ryong.[1] The ship features the Aegis Combat System (Baseline 7 Phase 1) combined with AN/SPY-1D multi-function radar antennae.[1] The Sejong the Great class is the third phase of the South Korean navy's Korean Destroyer eXperimental (KDX) program, a substantial shipbuilding program, which is geared toward enhancing ROKN's ability to successfully defend the maritime areas around South Korea from various modes of threats as well as becoming a blue-water navy.[5] ROKS Seoae Ryu Seong-ryong was launched on 14 November 2008 by Hyundai Heavy Industries.[6] On 17 August 2020, ROKS Seoae Ryu Seong-ryong sailed to Hawaii with ROKS Chungmugong Yi Sun-sin to participate in the scaled down, at-sea-only 2020 RIMPAC exercises.