The United States and South Korea will kick off a major joint military exercise next week, both countries announced Monday, as they prepare for evolving North Korean threats.

US military loses to Ukrainian drones in joint exercise as Pentagon struggles to catch up to modern warfare - Former Pentagon adviser Eliot Cohen says the Department of Defense needs to master the use of drones,

An air ambulance crash that killed everyone on board may have been linked to the US military’s testing of an experimental jamming weapon, according to a report.

North Korea's second ballistic missile launch in less than a week comes as the U.S. and South Korea prepare for Ulchi Freedom Shield exercises.

Rocket Lab quietly launched a small satellite from New Zealand on Friday in a high-flying military exercise to test the US Space Force’s ability to rapidly respond to a crisis in low-Earth orbit. The launch was scarcely announced in advance. The only ...