A U.S. Department of State Foreign Service Institute instructor (left, standing) leads a “table top” crisis management exercise at the DSS-managed Joint Operations Center (JOC), located at the U.S. Embassy in Seoul, South Korea, ahead of the 2018 Winter Olympics. DSS is the lead U.S. agency for security and liaison efforts for international sporting events, such as the Olympics, and collaborates with dozens of partners who also support these activities, Seoul, South Korea, Feb. 6, 2018. (U.S. Department of State photo)