U.S. Marines with the 1st Battalion, 1st Marine Regiment participate in training during amphibious landing operations at Marine Corps Base Camp Pendleton, Calif., Feb. 19, 2014, as part of exercise Iron Fist 2014. Iron Fist is a three-week bilateral training event held annually between the U.S. Marine Corps and the Japan Ground Self-Defense Force designed to increase interoperability between the two services while aiding the Japanese in their continued development of amphibious capabilities.