Petty Officer 2nd Class Jeffrey Esser, a diver with Regional Dive Locker Pacific, works on equipment while conducting diving operations in Port Allen Harbor, Kauai, Dec. 3, 2015. Coast Guard divers worked alongside Walnut to conduct salvage and recovery operations of floating navigation aids in or near shoal water. (U.S. Coast Guard photo by Petty Officer 3rd Class Melissa E. McKenzie/Released)