181104-N-WS915-0122 PHILIPPINE SEA (Nov. 4, 2018) An MH-60S Seahawk helicopter, assigned to the dry cargo and ammunition ship USNS Matthew Perry (T-AKE 9), hovers over the Navy’s forward-deployed aircraft carrier USS Ronald Reagan (CVN 76) as the two ships conduct a replenishment-at-sea during exercise Keen Sword 19. Keen Sword is a joint, bilateral field-training exercise involving U.S. military and Japan Maritime Self-Defense Force personnel, designed to increase combat readiness and interoperability of the Japan-U.S. alliance. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brandon Martin/Released)