Friday’s Titan Marine Board of Investigation public hearing will feature a newly added witness, according to a late-night post from the Coast Guard. For day four, Former OceanGate Mission Specialist Fred Hagen,

David Lochridge, OceanGate’s former director of operations, testified of unsafe practices, saying, ‘There was very little in the way of science’

The Titan submersible had to abort a dive just days before the implosion that killed its five passengers as they explored the wreck of the Titanic, an ex-employee of the company that operated the vessel testified on Thursday.