Petty Officer 3rd Class Janneh Felix and Petty Officer 2nd Class Christopher Vonderau start putting on their climbing gear to make repairs to a channel range Galveston Bay, Texas, Oct. 1, 2015. Navigation aids are necessary for safe maneuvering in waterways across the country and require regular maintenance to remain effective. (U.S. Coast Guard photo by Petty Officer 3rd Class Dustin R. Williams)
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