191218-N-XG173-1395 PEARL HARBOR (Dec. 18, 2019) Royce Gracie, professional Mixed Martial Artist, assists participants with fighting techniques during the MMA Clinic at Joint Base Pearl Harbor-Hickam (JBPHH) Fitness Center, Dec. 18, 2019. Bellator MMA representatives visited JBPHH as part of a multi-day, multi-event partnership with the United Service Organizations (USO) for "Bellator and USO Present: Salute the Troops." (U.S. Navy photo by Mass Communication Specialist 3rd Class Aja B. Jackson/Released)