Fast Facts: What to know about the missing Titan submersible

The pilot and four passengers of a missing submersible that disappeared en route to the wreckage of the Titanic are believed to be dead, the expedition company said Thursday.Pilot and chief executive Stockton Rush, along with passengers Shahzada Dawood and his son Suleman Dawood, Hamish Harding, and Paul-Henri Nargeolet “have sadly been lost,” OceanGate Expeditions said in a statement.APP USERS: Can't see the infographic? Click here