All five people aboard a missing submersible are presumed dead after the vehicle imploded in the depths of the Atlantic Ocean near the wreckage of the Titanic, the operator and the U.S. Coast Guard said Thursday.OceanGate Inc. of the United States said in a statement it believes its CEO Stockton Rush, the vehicle's pilot, and the four others aboard the Titan "have sadly been lost."The submersible went missing Sunday in the northern Atlantic off Canada during an undersea tour to view the wreckage of the luxurious passenger ship that sank in 1912.The coast guard said debris from the Titan was…READ FULL ARTICLE