Petty Officer 3rd Class Sean Childers, Fireman Abby Hamann and Seaman Pierce Overbeeke, crew members from Aids to Navigation Team Kennewick, Wash., work together to replace a dayboard on an aid to navigation along the Snake River in eastern Washington, Sept. 23, 2014. The dayboards on aids to navigation provide essential navigational information allowing mariners to know where along the Snake River they are and what navigational issues may be in an area. (U.S. Coast Guard photo by Chief Petty Officer David Mosley)
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