A U.S. Navy MH-60 Seahawk helicopter attached to the Helicopter Sea Combat Squadron (HSC) 23 brings supplies to the amphibious dock landing ship USS Comstock (LSD 45) from the merchant marine oiler and supply ship USNS Rappahannock (T-AO 204) in the Pacific Ocean March 17, 2011. Comstock is part of the Boxer Amphibious Ready Group.