U.S. Coast Guard Petty Officer Petty Officer 1st Class Forrest Parker, a diver assigned to Coast Guard Regional Dive Locker Pacific in Honolulu, Hawaii, sits below the surface while preparing to conduct a buoy chain assembly replacement offshore Port Allen, Hawaii, Dec. 9, 2025. Coast Guard divers play a crucial role in buoy replacements, confirming the structural integrity of sinkers, shackles and mooring hardware below the surface. (U.S. Coast Guard photo by Petty Officer 2nd Class Tyler Robertson)