A U.S. Marine with 1st Reconnaissance Battalion, 1st Marine Division, provides cover fire while conducting raid training with soldiers from the Japan Ground Self-Defense Force during Exercise Iron Fist 2014 aboard Camp Pendleton, Calif., Feb. 7, 2014. Iron Fist is an amphibious exercise that brings together Marines and sailors from the 15th Marine Expeditionary Unit, other I Marine Expeditionary Force units, and soldiers from the JGSDF, to promote military interoperability and hone individual and small-unit skills through challenging, complex and realistic training. (U.S. Marine Corps photo by Cpl. Emmanuel Ramos/Released)
A U.S. Marine with 1st Reconnaissance Battalion, 1st Marine Division, and a soldier with the Japan Ground Self-Defense Force enter a building while conducting raid training during Exercise Iron Fist 2014 aboard Camp Pendleton, Calif., Feb. 7, 2014. (U.S. Marine Corps photo by Cpl. Emmanuel Ramos/Released)
U.S. Marines with 1st Reconnaissance Battalion, 1st Marine Division, and soldiers from the Japan Ground Self-Defense Force clear a building while conducting raid training during Exercise Iron Fist 2014 aboard Camp Pendleton, Calif., Feb. 7, 2014. (U.S. Marine Corps photo by Cpl. Emmanuel Ramos/Released)
U.S. Marines with 1st Reconnaissance Battalion, 1st Marine division, prepare to exit a building and move toward their next objective while conducting raid training during Exercise Iron Fist 2014 aboard Camp Pendleton Calif., Feb. 7, 2014. (U.S. Marine Corps photo by Lance Cpl. Ricardo Hurtado/Released)
A U.S. Marine with 1st Reconnaissance Battalion, 1st Marine division, and soldiers from the Japan Ground Self-Defense Force exit a building and move toward their next objective while conducting raid training during Exercise Iron Fist 2014 aboard Camp Pendleton Calif., Feb. 7, 2014. (U.S. Marine Corps photo by Lance Cpl. Ricardo Hurtado/Released)
U.S. Marines with 1st Reconnaissance Battalion, 1st Marine division, and soldiers from the Japan Ground Self-Defense Force move toward their next objective while conducting raid training during Exercise Iron Fist 2014 aboard Camp Pendleton Calif., Feb. 7, 2014. (U.S. Marine Corps photo by Lance Cpl. Ricardo Hurtado/Released)
A U.S. Marine with 1st Reconnaissance Battalion, 1st Marine Division, provides security while conducting raid training with soldiers from the Japan Ground Self-Defense Force during Exercise Iron Fist 2014 aboard Camp Pendleton, Calif., Feb. 7, 2014. (U.S. Marine Corps photo by Cpl. Emmanuel Ramos/Released)