The passenger testified that the mission was scrapped because the sub couldn't navigate, and was swimming in circles.

Witness reveals concerns that the submersible’s hull may have cracked during a previous expedition - A third witness is ...

OceanGate's former scientific director testified that an issue with the vessel's variable ballast tank caused it to invert ...

The Titan submersible imploded last year while on another trip to the Titanic wreckage site, and an investigative hearing is ...