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.

Officials said a search was underway Monday for the small sub, which takes tourists to view the famous shipwreck that sits about 12,500 feet at the bottom of the ocean off the coast of Newfoundland, Canada.