The Titan watercraft lost contact with its Polar Prince mothership on Sunday 18 June, around one hour and 45 minutes after submerging.
On Thursday, the US Coast Guard confirmed that the submersible suffered a “catastrophic implosion” after debris were located.
“This is an incredibly unforgiving environment down there on the sea floor and the debris is consistent with a catastrophic implosion of the vessel,” Rear Admiral John Mauger said.
“And so we’ll continue to work and continue to search the area down there, but I don’t have an answer for prospects at this time.”
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