Petty Officer 3rd Class Aaron F. Winn, a coxswain at Coast Guard Station Grand Haven, Mich., and Seaman Robert A. Schreur, a crewman at the station, conduct navigation drills aboard a 47-foot response boat in Lake Michigan, Sept 29, 2015. Coast Guardsmen routinely practice real-life emergency situations so that they will be ready when an emergency does happen. (U.S. Coast Guard photo by Senior Chief Petty Officer Justin D. Olson)
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