Petty Officer 1st Class Timothy Ball, Petty Officer 2nd Class James Dasinger and Fireman Rakab Holman, all Coast Guard service members from Aids to Navigation Team Astoria, assisted by an MH-60 Jayhawk helicopter aircrew remove the foghorn at the end the Tillamook River North Jetty near Garibaldi, Ore., Oct. 9, 2019. The foghorn is a sound signal that helps mariners know the approximate location of the jetty during low visibility. (U.S. Coast Guard video by Petty Officer 1st Class Levi Read)