Former U.S. Marine Corps Sgt. Art Davie, Ultimate Fighting Championship creator and co-founder, gives a leadership talk to U.S. service members during the Mixed Martial Arts Legends Tour at Joint Base Langley-Eustis, Va., Dec. 1, 2017. Davie spoke about what leadership meant to him and talked about his journey while creating the UFC. (U.S. Air Force photo by Airman 1st Class Tristan Biese)