These are the five people onboard the missing Titanic tourist sub in a desperate fight for survival as rescuers face just 50 hours left to save them.
They include a billionaire explorer, a father and son duo and a French submarine pilot and ocean explorer CEO.
Billionaire Hamish Harding, father and son duo Shahzada Dawood, 48, and Sulaiman Dawood, 19, French submersible pilot Paul-Henry Nargeolet and OceanGate CEO Stockton Rush all thought they were embarking on the adventure of a life time.