Photo: USCG Buoy Replacements, Elk River in Md.
A crewmember aboard the Coast Guard Cutter William Tate, homeported in Philadelphia, services the light on top of a buoy during seasonal buoy replacement operations along the Elk River in Maryland, Dec. 16, 2010. The crew of the William Tate conducts seasonal buoy maintenance every winter and spring. U.S. Coast Guard photo.