Japan Ground Self-Defense Force Soldiers with 1st Amphibious Rapid Deployment Regiment, participate in a combined arms live fire exercise during Iron Fist 2019, Jan. 24 on U.S. Marine Corps Base Camp Pendleton, CA. 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)