180329-N-IA905-2128 INDIAN OCEAN (March 29, 2018) The Arleigh Burke-class guided-missile destroyer USS Preble (DDG 88) transits the Indian Ocean. Preble is underway with the Theodore Roosevelt Carrier Strike Group for a scheduled deployment in the U.S. 7th Fleet area of operations in support of maritime security operations and theater security cooperation efforts. (U.S. Navy photo by Mass Communication Specialist 3rd Class Morgan K. Nall/Released)