On March 18, the Sejong Institute hosted the seminar by the Study Group on China’s Security and Foreign Affairs. The meeting began with presentations by Chung Jaehung (Research Fellow, the Sejong Institute) and Park Jae Jeok (Professor, Hankuk University of Foreign Studies) on “THAAD Deployment and Thoughts on ROK-China Relations” and “U.S. Outlook on Missile Defense System in the Asia-Pacific and South Korea’s Response.” The participants consisting of numerous experts, including President Jin Chang Soo, former Ambassador for Overseas Koreans and Consular Affairs Seok Dong-yeon, and Professor Lee Sang-sook (Korea National Diplomatic Academy) had an in-depth discussion on relevant topics.