A 41-year-old woman having strokelike symptoms was airlifted off a cruise ship 55 miles off the coast of Nantucket by a helicopter from the US Coast Guard Sunday afternoon . The woman, who was aboard the Carnival Glory cruise ship, was picked up by an MH-60 Jayhawk helicopter around 3:35 p.m. and flown to Rhode Island Hospital in Providence, the Coast Guard said in a statement. Her condition was unknown as of late Sunday night.