U.S. Marine Corps F-35B fighter jets and South Korean air Force's F-15K fly over South Korea during a joint military drill

U.S. Marine Corps F-35B fighter jets and South Korean air Force’s F-15K fly over South Korea during a joint military drill

US and South Korean warplanes take part in a joint military drill over South Korea on August 31, 2017. Republic of Korea Air Force / Yonhap / via Reuters

September 1, 2017 10:36 AM (UTC+8)