U.S. Marines with 1st Battalion, 1st Marine Regiment conduct Military Operations in Urban Terrain training with Japan Ground Self Defense Force soldiers during Exercise Iron Fist, aboard Marine Corps Base Camp Pendleton, Calif., Feb. 26, 2017. Iron Fist is an annual, bilateral training exercise where U.S. and Japanese service members train together and share techniques, tactics and procedures to improve their combined operational capabilities. (U.S. Marine Corps video by Lance Cpl. Francisco J. Diaz Jr./Released)
