Titan Sub Engineer Told CEO ‘I’m Not Getting in It’ for Test Dive Business InsiderOceanGate Founder Crashed a Submersible Years Before Titan Disaster The New York TimesDeceased Oceangate CEO, which operated Titan, put profits over safety: Ex-employee The Indian ExpressFirst image of ill-fated Titan submersible wreckage revealed at hearing into tragedy CNNA key employee says the Titan sub tragedy could have been prevented The Associated Press