Tourist submarine exploring Titanic wreckage disappears in Atlantic Ocean: Coast Guard

A submarine on a pricey tourist expedition to the Titanic shipwreck in the Atlantic Ocean has vanished with likely only four days’ worth of oxygen– and authorities are now searching for the missing passengers, which includes a famed explorer, authorities and family said.

The US Coast Guard said the small submarine began its journey underwater with five passengers Sunday morning, and the Canadian research vessel that it was working with lost contact with the crew about an hour and 45 minutes into the dive. ---More...

The Titanic sub that went missing "was designed with a 96-hour sustainment capability" in case of emergency pic.twitter.com/sw84u3NyDB

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