U.S. Marines with Battery "E", 2nd Battalion, 11th Marine Regiment and members of the Japan Ground Self Defense Force travelled to San Clemente Island where they conducted live-fire mortar training as part of Exercise Iron Fist on Feb. 22, 2015. Exercise Iron Fist 2015 is the 10th anniversary of a bilateral training exercise between the U.S. Marine Corps and the Japan Ground Self-Defense Force, meant to strengthen interoperability between the two militaries. (U.S. Marine Corps photo by Cpl. David Gonzalez, 13th Marine Expeditionary Combat Camera/ Released)