Seaman Jacob D. Hubler, a crewmember aboard the Coast Guard Cutter Joshua Appleby, homeported in St. Petersburg, Fla., cleans a buoy while conducting aids to navigation in Tampa Bay, Fla., Jan. 6, 2015. Buoys perform many functions including marking hazards, shallow areas and maritime channels. (U.S. Coast Guard Photo by Petty Officer 3rd Class Ashley J. Johnson)
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