According to this interview with Bob Ballard, there have been no fatalities or catastrophic accidents in the deep sea submersible/exploration world. https://ww

According to this interview with Bob Ballard, there have been no fatalities or catastrophic accidents in the deep sea submersible/exploration world. https://www.youtube.com/watch?v=2jJ_SSU-ocU https://www.youtube.com/watch?v=2jJ_SSU-ocU He mentioned since 1960, but unclear if that was because that's when the deep sea submersible exploration started, or something happened in 1960. That makes OceanGate's sub seem like a uniquely incompetent design.