Earlier this month, the Coast Guard opened a public hearing that is part of a high-level investigation into the cause of the implosion. The public hearing began Sept. 16 and some of the testimony has focused on problems the Washington state company had prior to the fatal 2023 dive.

The investigatory panel has listened to three days of testimony that raised questions about the company's operations before the doomed mission.

Another mission specialist who worked with the company that owned the Titan submersible that imploded last year while on its way to the Titanic wreckage is scheduled to testify before a U.S. Coast Gua