OVERVIEW: The Sejong the Great-class destroyers (Sejongdaewang-Ham), also known as KD-III, are three guided missile destroyers of the Republic of Korea Navy (ROKN)

DETAILS:The ship features the Aegis Combat System (Baseline 7 Phase 1) combined with AN/SPY-1D multi-function radar antennae.

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.

At 8,500 tons standard displacement and 11,000 tons full load, the KDX-III Sejong the Great destroyers are by far the largest destroyers in the South Korean Navy, and built slightly bulkier and heavier than Arleigh Burke-class destroyers or Atago-class destroyers to accommodate 32 more missiles. KDX-III are currently the largest ships to carry the Aegis combat system.

SOURCES:Wikipedia, the Free Encyclopedia. "Sejong the Great-class Destroyer - Wikipedia." n.d. Accessed September 8, 2017. https://en.wikipedia.org/wiki/Sejong_the_Great-class_destroyer. 