Last year, the Titan, the submarine which has now been missing since Sunday, went on a similar expedition to see the remains of shipwrecked Titanic. In a CBS story, Pogue spoke about the deep sea vessel, operated by a company called OceanGate Expeditions, and said there were some parts that seemed “improvised”, including the fact that it was controlled by a reinforced Playstation controller. So nobody who’s in this situation was caught off guard