As a remotely operated robot maps out the debris field from the fatal Titan submersible implosion, investigators will be reviewing voice recordings from the mother ship that carried the vessel and its five occupants on its journey to the site of the Titanic wreckage, officials said.
“several hours” being the entire expected length of the expedition.
Because previous dives, the sub had lost communication for long periods of time.
This whole thing was a “how not to submarine”.
Like, you know how OSHA/HSE/whatever laws are written in blood? Yeh, prime example.