ROKS Yulgok Yi I (DDG-992) is the second ship of the Sejong the Great-class destroyers that was built for the Republic of Korea Navy.

She was designed around the Aegis Combat System and was named after philosopher and scholar of the Joseon Dynasty, Yulgok Yi I.

[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.

Republic of Korea Navy has actively participated in the recent iterations of the Rim of the Pacific Exercise or RIMPAC, which is held biennially from Honolulu, Hawaii.

The exercises seeks to enhance interoperability among Pacific Rim armed forces, as a means of promoting stability in the region to the benefit of all participating nations.