JACKSONVILLE, Fla. - Crewmembers aboard the 175-foot Coast Guard Cutter Maria Bray transit the Sherman Cut lighted buoy 20 across the deck during a buoy relief evolution on the St. John's River Wednesday, Oct. 5, 2011. The buoy tender is home ported in Mayport, Fla., crewmembers primary mission is to maintain more than 250 aids to navigation from Georgetown, S.C., to Ft. Pierce, Fla., and Andros Island, Bahamas. U.S. Coast Guard photo by Petty Officer 3rd Class Jessica Potter.