U.S. Marine Corps Gunnery Sgt. Juan Ospina, Joint Task Force-Civil Support current operations noncommissioned officer in charge, shows students proper exercise form at Anderson Field House at Fort Eustis, Va., Jan. 27, 2014. Ospina is a lead trainer for the Functional Fitness program, which uses general and inclusive fitness techniques that individuals use every day, such as squatting, running, jumping, and lifting, to prepare for physical contingencies. (U.S. Air Force photo by Staff Sgt. Ciara Wymbs/Released)