US military bases in Pacific 'highly vulnerable' to N. Korean, Chinese missiles, drones: expert

US military bases in South Korea, Japan and other countries in the Pacific are "highly vulnerable" to North Korean and Chinese missile and drone attacks, a US expert has said, calling for efforts to strengthen air and missile defenses. Seth Jones, president of the Defense and Security Department at the Center for Strategic and International Studies, made the remarks in an op-ed released by The Wall Street Journal on Sunday, following reports that the United States is running low on key missile d