David Choi David Choi David Choi is based in South Korea and reports on the U.S. military and foreign policy. He served in the U.S. Army and California Army National Guard. He graduated from the University of California, Los Angeles. previous coverage About 100 US aircraft, including F-35s, to take part in large-scale exercise with South Korea South Korea’s military is on high alert for North’s first nuclear test since 2017 South Korea prefers US ‘strategic assets’ to nuclear weapons, senior official says related stories North, South Korea exchange warning shots amid joint drills to prep for ‘enemy provocations’