He is a descendant of US Founding Fathers Benjamin Rush and Richard Stockton The saga of the missing Titanic submersible Titan continues to grip the world. And now three days after the OceanGate watercraft vanished, anger is beginning to mount over the doomed mission. OceanGate CEO Stockton Rush is one of the five men on the Titan, with around 20 hours of oxygen left. The Titan is currently missing with five people on board after it lost communication during a dive to the Titanic's wreckage, which is around 12,500ft below the Atlantic.