U.S. Coast Guard Petty Officer 1st Class Valentin Leon, electricians mate assigned to Coast Guard Aids to Navigation Team Honolulu in Honolulu, Hawaii, replaces a navigational aid on Lehua rock, Hawaii. ANT Honolulu replaced the outdated aid with a new Carmanah fixture, fitted with a light, solar panels and an internal battery. (U.S Coast Guard photo by Petty Officer 2nd Class Tyler Robertson)