U.S. Coast Guard Cutter Oak (WLB-211) and a 49-foot Buoy Utility Stern Loading (BUSL) boat from Aids to Navigation Team Woods Hole, Massachusetts, work together with the Massachusetts Division of Marine Fisheries to recycle 140,000 pounds of concrete buoy sinkers on an artificial reef near Yarmouth, Massachusetts. Photo courtesy of Mark Rousseau, Massachusetts Division of Marine Fisheries.