OceanGate’s former mission specialist Fred Hagen testified Friday that climbing aboard the Titan submersible for a trip to ...

A former OceanGate scientific director said the Titan submersible suffered a malfunction six days before imploding in June ...

This photo provided by OceanGate Expeditions shows a submersible vessel named Titan used to visit the wreckage site of the ...

Fred Hagen, who was a paying passenger on Titan, lists a number of incidents involving the experimental sub during previous ...