Iron Fist 26: U.S., Japanese forces hold bilateral drills to increase readiness - Japan Ground Self-Defense Force service members post security during an amphibious landing during exercise Iron Fist 26 at Kushi Crossing, Okinawa, Japan, March 4, 2026. Iron Fist is an annual bilateral exercise designed to increase operational integration and strengthen the relationships between the U.S. Marine Corps, the U.S. Navy, the Japan Ground Self-Defense Force, and the Japan Maritime Self-Defense Force. (U.S. Marine Corps photo by Lance Cpl. Eadan Avramidis)