190204-N-LI768-1113 CAMP PENDLETON, Calif. (Feb. 4, 2019) Gen. Koji Yamazaki, left, the chief of staff of the Japan Ground Self-Defense Force (JSDF), observes operations during Exercise Iron Fist 2019. Exercise Iron Fist 2019 is an annual, multilateral training exercise where U.S. and Japanese service members train together, share techniques, tactics and procedures to improve their combine operational capabilities. (U.S. Navy photo by Mass Communication Specialist 2nd Class Devin M. Langer/Released)