Coast Guard Cutter Mobile Bay, homeported in Sturgeon Bay, Wisc., enforces a 500 yard safety zone around the motor vessel Roger Blough, May 30, 2016, in Lake Superior.
Mobile Bay enforced the safety zone during salvage operations after the Blough ran aground on Gros Cap Reef May 27. (U.S. Coast Guard photo by Lt. Creighton Chong)