190130-M-SK635-161 CAMP PENDLETON, Calif. (Jan. 30, 2019) U.S. Marines and Japan Ground Self-Defense Force assault amphibious vehicles transit to the amphibious transport dock ship USS Somerset (LPD 25) during Iron Fist 2019, Jan. 30, 2019, at U.S. Marine Corps Base Camp Pendleton, Calif. Exercise Iron Fist is an annual, multilateral 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 photo by Cpl. Cutler Brice/Released)