A U.S. Navy MH-60S Seahawk helicopter, assigned to Helicopter Sea Combat Squadron (HSC) 23, transports supplies from the fleet replenishment oiler USNS Rappahannock (T-AO 204) to the amphibious assault ship USS Boxer (LHD 4) in the Pacific Ocean March 17, 2011. Boxer, as part of the Boxer Amphibious Ready Group, and the 13th Marine Expeditionary Unit, were under way in the U.S. 7th Fleet area of operation during a Western Pacific deployment.