Petty Officer 2nd Class Jacob Davis, a boatswain's mate, demonstrates procedures for operaing a .50 caliber machine gun during gun crew training, Friday, July 20, 2012, in Southeast Alaska. The SPAR is a 225-foot buoy tender stationed in Kodiak, Alaska. U.S. Coast Guard photo by Seaman Justin Hergert U.S. Coast Guard photo by Seaman Justin Hergert.
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