With the U.S.-ROK Alliance in question, the United States must assert its military posture, maintain relations with Japan, defend sea lines of communication, and maintain a role in Asia.

North Korea's neighbors have suffered broader economic costs, and lost economic opportunities, as a direct consequence of Pyongyang’s security policies and practices.

The July 19 release of the Pentagon’s long-awaited report, “The Military Power of the People’s Republic of China”—a document examining Chinese current and future military strategy—comes at a crucial moment in U.S-China relations. Tension between the United States and Europe over arms sales to China and a...

Though China appears to have halted its proliferation activities, those activities suggest a more casual attitude towards nuclear weapons than one of abhorrence. Indeed, actions speak louder than words. That Beijing proliferated nuclear technology, materials, and know-how-and to relatively unstable regimes that may be less cautious about using nuclear weapons-is worrying.