A Japan Ground Self-Defense Force soldier patrols alongside an assault amphibious vehicle during an Exercise Iron Fist 2019 at Camp Pendleton, Calif., Feb. 4, 2019. 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. Marine Corps photo by Cpl. Cutler Brice