Crew members aboard a Coast Guard 24-foot Special Purpose Craft-Shallow Water boat from Station Chincoteague, Virginia, ignite orange smoke signals to mark slack tide and the beginning of the 92nd Annual Chincoteague Pony Swim in Assateague Channel, July 26, 2017. Thousands gathered to watch Saltwater Cowboys swim a herd of wild ponies from Assateague Island to Chincoteague Island. (U.S. Coast Guard photo by Petty Officer 3rd Class Corinne Zilnicki/Released)