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One unique mission of the Diplomatic Security Service (DSS) is major events support of international sporting events, like the Olympic Games. The DSS Office of Protection, Major Events Coordination Unit (P/MECU) is responsible for long-range security planning for U.S. participation in international events and for domestic events with significant international participation. In the years leading up the event, DSS personnel liaise with host-nation security and law-enforcement officials to coordinate the safety and security of U.S. citizens, athletes from Team USA, American corporate sponsors, and members of the U.S. media during the Olympic Games. During the event, with host-nation approval, DSS deploys Field Liaison Officers at designated venues to liaise with the venue security and Team USA.

U.S. Department of State

The Lessons of 1989: Freedom and Our Future