Simulated Security Marine Corps Cpl. Joshua Williamson provides simulated security during Iron Fist, a bilateral amphibious assault exercise with Japanese soldiers, in Tokunoshima, Japan, March 3, 2023. The exercise is designed to increase interoperability and strengthen the relationships between U.S. and Japanese forces. SHARE: Download: Full Size (2.79 MB) Tags: exercises, iron fist, marine corps Credit: Marine Corps Cpl. Vincent Pham VIRIN: 230303-M-VU652-1286M.JPG Photo Gallery