In this undated photo provided Wednesday, Jan. 29, 2025, by the North Korean government, Kim Jong Un, second right, inspects a facility that produces nuclear material

North Korea says it tested a cruise missile system, its third known weapons display this year, and vowed “the toughest” response to what it called the escalation of U.S.

North Korea denounced the United States for sending military aircraft over the Korean peninsula several times this month, as well as the U.S., Japan and South Korea for holding an air military exercise,