NEW YORK, New York (May 26, 2004)--Lt. Craig MaClennan, Coast Guard Station New York commanding officer, maintains a security zone aboard a 25-foot Defender Class patrol boat as the Coast Guard Cutter Reliance sails up the Hudson River during the Fleet Week Parade of Ships May 26, 2004. Following today's announcement by U.S. Attorney General John Ashcroft that the nation faces new and credible terrorist threats, the Coast Guard and other law enforcment agencies increased their presence in key U.S. ports. USCG photo by PA2 Mike Hvozda