Investigators have determined that the Titan submersible’s fatal implosion was caused by inadequate engineering. A final report from the National Transportation Safety Board cites flaws in the sub’s design process, sparking renewed scrutiny of deep-sea exploration safety measures.

An NTSB investigation reveals that damage to the Titan’s hull, combined with engineering flaws, caused the submersible to implode near the Titanic wreck in 2023. Five individuals lost their lives in this deep-sea tragedy, drawing attention to persistent challenges in ocean exploration.