Now that the world knows what happened to the Titan, the submersible that vanished on Sunday on a dive to view the wreck of the R. The Titan’s fate was not known until Thursday morning in part because it took days to transport remote-operated vehicles that could reach the depth of the Titanic to the site more than two miles below the ocean surface. OceanGate did not answer questions about recovery efforts or investigations, nor about whether any sort of data recorder — like an airplane’s black box — had been on the Titan