A boat crew from Aids to Navigation Team Kennewick, aboard a 26-foot ATON boat, patrols the lower division of the Columbia River while enforcing a safety zone for the Columbia Cup Hydroplane races and air show held in Kennewick, Wash., July 25, 2015. Coast Guard and Coast Guard Auxiliary boat crews along with local maritime law enforcement patrolled areas up and down river from the events taking place in the safety zone to ensure the safety of spectators. (U.S. Coast Guard photo by Petty Officer 1st Class Levi Read)