Japan and the United States have held joint air drills a day after the test-launch of an intercontinental ballistic missile by North Korea, Japan's Defense Ministry says.
North Korea on Friday denounced planned joint military drills by the United States and South Korea, warning that they would face "unprecedentedly persistent and strong counteractions" from Pyongyang,
South Korea and the United States have begun their joint springtime military exercises, the South Korean military says, amid strong protests from North Korea.
U.S. forces stationed in South Korea have increased the intensity of exercises involving the Patriot missile defense system amid increasing signs of another North Korean missile test.
South Korea conducted a regular military exercise last week for the defense of a disputed pair of islets it controls in the Sea of Japan, Yonhap News Agency reports.