An MH-60S Seahawk from Helicopter Sea Combat Squadron

An MH-60S Seahawk from Helicopter Sea Combat Squadron (HSC) 21 conducts a vertical replenishment aboard the amphibious assault ship USS Boxer (LHD 4). Boxer is the flagship for the Boxer Amphibious Ready Group and, with the embarked 13th Marine Expeditionary Unit, is deployed in support of maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 1st Class Brian P. Biller/Released)