Crew members aboard USCGC Walnut retrieve a chain after divers from Regional Dive Locker Pacific removed it from a buoy and transported it to the ship offshore Kauai, Dec. 4, 2015. Divers assisted Walnut conduct salvage and recovery operations of aids to navigation buoys located near shoal water. (U.S. Coast Guard photo by Petty Officer 3rd Class Melissa E. McKenzie/Released)