It’s been more than 72 hours since contact was lost with OceanGate’s Titan submersible during its dive to the bottom of the North Atlantic Ocean to see the wreck site of the Titanic.
There was hope Wednesday that it could be located, after a Canadian military aircraft with underwater sonar capabilities picked up underwater sounds, described as banging, in the search area, though no other signs of the Titan were detected.
There are many questions about how the search is unfolding and the challenges faced in trying to find the Titan before its oxygen supply runs out. CBC News can provide some of the
