A Coast Guardsman discusses salvage operations with the salvage crew aboard the barge Parker J, the main operating platform for salvage of the sunken barge Arthur J, July 22, 2012. The Arthur J and the 38-foot tug Madison sunk one mile off the shore of Lakeport, Mich., in Lake Huron, July 19, 2012. U.S. Coast Guard photo by Petty Officer Levi Read.