U.S. Sailors with the chief petty officer mess and first class petty officer mess aboard the hospital ship USNS Mercy (T-AH 19) tour the Battleship Missouri Memorial July 11, 2014, at Joint Base Pearl Harbor-Hickam, Hawaii. The Mercy visited the base to participate in Rim of the Pacific (RIMPAC) 2014. RIMPAC is a U.S. Pacific Fleet-hosted biennial multinational maritime exercise designed to foster and sustain international cooperation on the security of the world's oceans. (U.S. Navy photo by Mass Communication Specialist 3rd Class Pyoung K. Yi/Released)