A former U.S. Navy Fletcher-class destroyer (USS Erben, DD-631) that was transferred to the Republic of Korea Navy in 1963. The ship carried good armament and had enhanced AA capabilities. After being transferred, She served in the major role in Republic of Korea Navy. She totally sank 4 north korean spy warships, And captured 2 more spy warships north korea sent. Which killed or captuerd more than 40 north korean troops.