North Korea has tested an underwater nuclear weapon system in response to joint military drills by South Korea, the United States and Japan, the Korean Central News Agency (KCNA) reported citing a statement by a spokesman for North Koreaβs Defense Ministry.
βJoint maritime exercises were staged again in the waters off Jeju Island for three days from Jan. 15 with the involvement of the U.S. nuclear carrier Carl Vinson and Aegis cruiser Princeton and warships of the Japanese maritime βSelf-Defense Forceβ and the ROK navy,β the spokesman said.
He said the drills further destabilized the regional situation and seriously threatened North Koreaβs security.
