CAMP PENDLETON, Calif. (Feb. 8, 2022) Hospital Corpsman 3rd Class Sydney McKeown, a field medical technician with Combat Logistics Battalion 13, Combat Logistics Regiment 17, 1st Marine Logistics Group, examines a simulated patient's breathing during exercise Iron Fist 22 at Camp Pendleton, Calif., Feb. 8, 2022. For almost two decades, the U.S. Marine Corps, U.S. Navy, and Japan Ground Self-Defense Force have conducted exercise Iron Fist, training together in amphibious operations and affirming the U.S. commitment to our allies. (U.S. Marine Corps photo by Lance Cpl. Casandra Lamas)