Staff Sgt. Alfredo Caballero, United States Air Force honor guardsman, performs flutter-kicks during USAFHG Drill Team Training at Joint Base Anacostia-Bolling, Md., Jan. 16, 2015. Six trainees volunteer eight, 60-hour weeks to learn weapon maneuvers and calisthenics to gain a spot on the team. (U.S. Air Force photo/ Senior Airman Nesha Humes)