A year after a deep-sea submersible headed for the Titanic wreckage imploded, sparking a frantic, dayslong search that ended with all five passengers declared dead, authorities still cannot say for sure what exactly went wrong — and need more time to be able to do so.
The U.S. Coast Guard Marine Board of Investigation (MBI) said Friday that its investigation into the contributing factors "remains active but will take longer than initially projected to complete."
Investigators were charged last year with determining not only the cause but also whether any acts of misconduct contributed to it, whether the evidence indicates any criminal acts that may be referred for prosecution and whether there is a need to change laws or regulations to avoid repeats.
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