Ensign Briana Press, from Norfolk, V.A., assigned to the Arleigh Burke-class guided-missile destroyer USS Mustin (DDG 89), works together with Japan Maritime Self-Defense Force Lt. j.g. Kotaro Kitahara as he takes a bearing from the bridge during Exercise Keen Sword 15. Keen Sword, a joint/bilateral field training exercise involving U.S. military and Japan Maritime Self-Defense Force (JSDF), is designed to increase combat readiness and interoperability of U.S. forces and JSDF. (U.S. Navy photo by Mass Communication Specialist 2nd Class Declan Barnes/Released)