A South Korean Army multiple-launch rocket system fires during a live-firing exercise at a valley in Cherwon near the country’s central border with North Korea on Sept. 17, 2015. (Yonhap)
A South Korean Army multiple-launch rocket system fires during a live-firing exercise at a valley in Cherwon near the country’s central border with North Korea on Sept. 17, 2015. (Yonhap)