They were dead in under 24 hours of losing contact.
They have no air scrubbers or breathing apparatus in event of a fire, smoke etc.
You can’t just add oxygen to a closed tank.
By FAR the best take on the fatal Titan sub fiasco.
[Yes, fatal.]
Skip the rest, this is the best, by an actual subject matter expert.
https://www.youtube.com/watch?v=4dka29FSZac
Thanks for your reply. Sad and tragic
event.