171126-N-OA516-0145 ATLANTIC OCEAN (Nov. 26, 2017) An MH-60S Sea Hawk helicopter attached to Helicopter Sea Combat Squadron (HSC) 28 transports pallets from the fleet replenishment oiler USNS Big Horn (T-AO 198), left, to the amphibious dock landing ship USS Oak Hill (LSD 51) during a replenishment-at-sea. The amphibious assault ship USS Iwo Jima (LHD 7), components of the Iwo Jima Amphibious Ready Group and the 26th Marine Expeditionary Unit (26th MEU) are conducting a combined composite training unit exercise that is the culmination of training for the Navy-Marine Corps team and will certify them for deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kevin Leitner/Released)