Titanic explorer fears power gone on missing submersible

The US Coast Guard has confirmed that a Canadian aircraft detected "underwater noises" in a search area for the missing Titan sub Contact with the vessel with five people on board, was lost on Sunday as it made the nearly 4 kilometer descent to the Titanic wreck The sub's air supply is expected to run out on Thursday, at around 10pm New Zealand time. Nathan Rarere talked with Titanic historian, physicist and explorer Bill Willard an expert on exploring the wreck.