Engineers Koku Jieitai, or Japan Air Self-Defense Force, train for command and control by overseeing and documenting each stage of the runway crater repair during a class at the U.S. Air Force Detachment 1, 554th RED HORSE Squadron training site on Kadena Air Base, Japan, March 13, 2012. Training with the Japanese builds on the strong bilateral friendship between the U.S. military and Japan’s defense forces.