Multiple contributing factors — including OceanGate’s toxic workplace environment and profit-over-safety ethos — led to the entirely "preventable" implosion of a submersible that killed five people off Newfoundland two years ago, Coast Guard investigators said Tuesday.

The United States Coast Guard Marine Board of Investigation has released a final report on the operating company responsible for the Titan submersible, which imploded two years ago while attempting to dive to the wreckage of the Titanic, killing all five on board.