  S-B600-RU -- A PREVIOUSLY UNCHARTED 30-FOOT MOORING BUOY BLOCK LOCATED WAS LOCATED WITH SIDE SCAN SONAR BY NOAA SHIP RUDE WHILE PERFORMING A HOMELAND SECURITY SURVEY IN THE LONG ISLAND SOUND. THE BLOCK IS IN POSITION: 41°49'55.20" N  072°38'41.86" W [N