TINIAN, Northern Marianas Islands -- Joint Terminal

TINIAN, Northern Marianas Islands -- Joint Terminal Attack Controller (JTAC) instructor U.S. Air Force Staff Sgt. Benjamin McFatridge, listens while his Japanese Self Defense Forces (JSDF) counterpart through controlling a U.S. Air Force B-1b Lancer during Exercise Keen Sword 17 on the island of Tinian, Nov. 8 2016. Keen Sword is the largest joint, bilateral field training exercise between the U.S. military and JSDF. The exercise is the designed to increase combat readiness and interoperability within the framework of the U.S.-Japan alliance. (Photo by U.S. Air Force Tech. Sgt. Bryan Mage/Defense Media Activity Guam)