161211-N-AV754-019 ATLANTIC OCEAN (Dec. 11, 2016) Fleet replenishment oiler USNS Big Horn (T-AO 198) steams alongside the amphibious assault ship USS Bataan (LHD 5) and the amphibious dock landing ship USS Carter Hall (LSD 50) during a replenishment-at-sea (RAS). The ships are underway with the Bataan Amphibious Ready Group (ARG) participating in ARG/Marine Expeditionary Unit Exercise (ARG/MEUEX). (U.S. Navy photo by Petty Officer 3rd Class Evan Thompson/Released)