there will likely now be multiple investigations. paula newton is joining us live from halifax. and what will investigators focus on now? reporter: they will focus on whether or not this was a catastrophic event that entailed just one thing going wrong or if this was multiple things given the strain on that vehicle. remember, we had heard that there were quite a few successful expeditions to the titanic wreck, was there stress put on the titan which then because it was largely unregulated wasn t tested going through the motions. you ve had so many people weigh in on this and one is james cameron who he himself has been to the wreck of the titanic and other deep sea explorations. listen to him now. i think there is almost a surreal irony. the titanic sank because the captain took it into an ice field on a moonless night with poor visibility after he had been repeatedly warned by telegram, by are a during t b are a during the day that that is what was ahead. and so a p
the first adventure for hamish harding either.the business. reporter: and this was not the first adventure for hamish harding either.business. reporter: and this was not the first adventure for hamish harding either. last year he went to space on the blue origin flight and was known for exploring every corner of the earth. he was larger than life, he is an explorer to the core of his soul. he has been to the bottom of planet earth. he s been in space. we sir consume navigated the planet together and set a world speed record. navigated the planet together and set a world speed record. reporter: and wihe was awaref the risks that he was taking. ishe is not one of those tha goes on death defying missions or any of the sorts of things. so i never thought of him as a