As a tug pushing barges heads down river, Petty Officer 3rd Class Sean Childers, a boatswains mate at Aids to Navigation Team Kennewick, Wash., services an aid to navigation along the Snake River in eastern Washington, helping ensure the safety of vessel traffic on the river, Sept. 23, 2014. Fireman Abby Hamann stands ready to provide support and a safety back up to Childers as he works on the elevated aid. (U.S. Coast Guard photo by Chief Petty Officer David Mosley)
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