Pfc. Bradley Brandes, a mortarmen with Weapons Company, 1st Battalion, 4th Marine Regiment, fires an 81mm mortar system during the supporting arms coordination exercise (SACCEX) portion of Exercise Iron Fist 2016 on San Clemente Island, Feb. 21, 2016. Iron Fist is an annual, bilateral amphibious training exercise designed to improve U.S. Marine Corps and Japan Ground Self-Defense Force's ability to plan, communicate and conduct combined amphibious operations at the platoon, company and battalion levels. (U.S. Marine Corps photo by Lance Cpl. Devan Gowan)