A U.S. Marine Corps Division Schools prescout sniper instructor, foreground, explains sniper shooting techniques to members of the Japan Ground Self-Defense Force Feb. 6, 2014, at Marine Corps Base Camp Pendleton, Calif., during 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.