Titan implosion — USCG Marine Board Investigation begins
https://www.youtube.com/watch?v=0dXLVCLKeoU
In this episode, Sal Mercogliano - maritime historian at Campbell University (@campbelledu) and former merchant mariner - recaps the issues surrounding the loss of the submersible Titan. He also discusses the issue of classification, the search and rescue efforts for the craft, the detection of the implosion by the US Navy SOSUS array, and how the US and Canada investigation will proceed.
https://www.youtube.com/watch?v=gUkmGEeAcOw