A herd of wild ponies crosses Assateague Channel during the 92nd Annual Chincoteague Pony Swim on Chincoteague Island, Virginia, July 26, 2017. Two boat crews from Coast Guard Station Chincoteague enforced safety zones for the event, which drew thousands of onlookers from across the country. (U.S. Coast Guard photo by Petty Officer 3rd Class Corinne Zilnicki/Released)