'Big gamble': Concerns previously raised over Titanic sub as just hours of oxygen left | Newshub
If they're still alive, the crew of the missing Titanic sub will have just mere hours of oxygen left.
Owner Stockton Rush once proclaimed the Titan submersible was 'obscenely safe', but even people on his own engineering team had raised the red flag about it. US correspondent Mitch McCann begins the coverage. ➡️ SUBSCRIBE: https://bit.ly/NewshubYouTube
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