180124-M-HD015-0041 CAMP PENDLETON, Calif. (Jan. 24, 2018) Japan Ground Self-Defense Force soldiers assigned to the Western Army Infantry Regiment set up a 360 degree perimeter security position during exercise Iron Fist 2018. The exercise brings together U.S. Marines from the 11th Marine Expeditionary Unit (11th MEU) and soldiers from the JGSDF to improve their bilateral planning, communicating, and conducting of combined amphibious operations. (U.S. Marine Corps photo by Cpl. Jacob A. Farbo/Released)