Lawsuit: Insufficient prototype testing could put Titanic sub passengers in 'extreme danger' SEARCH. MATT, JEN AND DOUG, GOOD MORNING. THESE NEW UNDERWATER SOUNDS HEARD BY A CANADIAN AIRCRAFT CAUSED THE COAST GUARD TO RELOCATE THEIR SEARCH ASSETS. BUT DESPITE HEARING THESE NEW UNDERWATER NOISES, THE SUBMERSIBLE HAS NOT BEEN FOUND. BUT THE US NAVY IS ANALYZING THIS NEW INFORMATION AS THE FIVE PEOPLE ON BOARD HAVE ONLY ABOUT A DAY’S WORTH OF OXYGEN REMAINING. NOW, THIS IS THE MOMENT THEY WERE LAST SEEN STARTING THEIR JOURNEY TWO AND A HALF MILES UNDERWATER TO THE TITANIC’S WRECKAGE, CREWS ARE CONVERGING HERE IN BOSTON WITH THE BEST TECHNOLOGY POSSIBLE. WHILE THE SEARCH AND RESCUE TEAMS HAVE COVERED AROUND 10,000MI. SO FAR, WHICH IS ROUGHLY THE SIZE OF MASSACHUSETTS. MY FEAR IS THAT THEY CANNOT SELF RESCUE AND APPEAR TO THE SURFACE BY THEMSELVES. THE ONLY WAY YOU COULDN’T DO THAT IS IF IT WAS TRAPPED, FOR INSTANCE, IN THE WRECK OF TITANIC OR MAYBE SOMETHING AS SIMPLE AS A FISHING ...