U.S. Air Force Staff Sgt. Jennifer Williams, 821st Support Squadron, demonstrates the clinch technique on UFC fighter Ashlee Evans-Smith at the Fitness Center on Thule Air Base, Greenland, Nov. 11, 2021. The Airmen and Guardians received instruction from the UFC fighters on a variety of fighting fundamentals to include Jiu-Jitsu, grappling and takedown defense. (U.S. Air Force photo by Staff Sgt. David Svendsen, 821st Security Forces Squadron)