U.S. service members and Ultimate Fighting Championship Champion fighters listen to former U.S. Marine Corps Sgt. Art Davie, UFC co-founder, give a leadership talk during the Mixed Martial Arts Legends Tour at Joint Base Langley-Eustis, Va., Nov. 30, 2017. Davie spent four years in the Marine Corps as a communications sergeant. (U.S. Air Force photo by Senior Airman Kaylee Dubois)