MORGAN CITY, La. – Fireman Eric Ruiz, an ATON technician with Aids to Navigation Team Morgan City, prepares to set a channel buoy in Fresh Water Bayou here Monday, Dec. 11, 2006. Buoys are just one type of more than 170 navigational aids the ANT team is responsible for maintaining and ensuring that are in the correct position. U.S. Coast Guard photograph by Petty Officer 3rd Class Thomas M. Blue