150719-N-TW634-108 INDIAN OCEAN (July 19, 2015) An SA-330 Puma helicopter conducts a vertical replenishment with the guided-missile destroyer USS Preble (DDG 88). Preble is on patrol in the U.S. 7th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Derek A. Harkins/Released)