The Titan submersible plunged thousands of feet down the forbidding depths of the North Atlantic Ocean in search of the Titanic wreck site when it imploded, killing all five on board. The Titan submersible plunged thousands of feet down the forbidding depths of the North Atlantic Ocean in search of the Titanic wreck site when it imploded, killing all five on board. NBC News Science
Titan submersible hearing begins as questions linger over what went wrong
