U.S. Navy Hospital Corpsman 3rd Class Adrian Fernandez, left, and Aviation Boatswain's Mate 3rd Class Ashish Chakma, assigned to Helicopter Sea Combat Squadron 21, attach a mark 105 to a MH-60S Night Hawk helicopter during a practice vertical replenishment at sea aboard the hospital ship USNS Mercy (T-AH 19) in support of Pacific Partnership 2012 in the Pacific Ocean May 26, 2012. Pacific Partnership is an annual deployment of forces designed to strengthen maritime and humanitarian partnerships during disaster relief operations, while providing humanitarian, medical, dental and engineering assistance to nations of the Pacific. (U.S. Navy photo by Mass Communication Specialist 3rd Class Laurie Dexter)