A U.S. Navy MH-60S Sea Hawk helicopter, assigned to Helicopter Sea Combat Squadron (HSC) 25, drops off supplies on the flight deck of the amphibious assault ship USS Essex (LHD 2) during a vertical replenishment with the Military Sealift Command dry cargo and ammunition ship USNS Matthew Perry (T-AKE 9) in the Pacific Ocean April 3, 2011. Essex, with embarked 31st Marine Expeditionary Unit, was operating off the coast of Kesennuma, Japan, in support of Operation Tomodachi.