Honolulu, HI (Dec. 9 ) -- SN Bryan Grebe, CGC Walnut, uses 1/2-inch alloy chain to secure the 18,000-lb. Hotel buoy on the cutter's deck. Serviced bi-annually, the 35-ft. safewater buoy is the largest in the Hawaiian Islands. USCG photo by PA2 Sarah Foster-Snell