U.S. Marine Corps Sgt. John Carmona, the platoon sergeant

U.S. Marine Corps Sgt. John Carmona, the platoon sergeant for Communication Strategy and Operations and a supply administrations and operations specialist, executes a barbell back squat at Gunner’s Fitness Center on Camp Foster, Okinawa, Japan, Nov. 24, 2020. In addition to his duties as a platoon sergeant, MAI and Corporals Course instructor, Carmona upholds a rigorous physical training schedule that includes meal preparation and going to the gym six times a week. (U.S. Marine Corps photo by Lance Cpl. Alex Fairchild)