OceanGate's Titan sub briefly became tangled up in the Titanic during a 2022 dive, according to a mission specialist who was on the dive.

Rush “crashed into the rear bulkhead, the rest of the passengers tumbled about, I ended up standing on the rear bulkhead,” ex-OceanGate scientific director said.

The company's former operations director, David Lochridge, testified that the Occupational Safety and Health Administration received his complaint, but did not pursue concerns about the submersible's safety.