A rescue swimmer with Coast Guard Air Station Clearwater talks with and prepares the survivor of a sunken 36-foot sailing vessel to be hoisted Friday, June 29, 2018 approximately 6 miles southwest of Big Sand Cay, Turks and Caicos.  U.S. Coast Guard photo courtesy of Air Station Clearwater MIAMI — The Coast Guard rescued a mariner Friday from a sinking sailing vessel 6 miles southwest of Big Sand...