CNN Anderson Cooper 360 April 16, 2014 00:01:00
Ocean trying to do the job. as you know, the mission was aborted after nearly six hours, today, the round is expected to go for hours, there are new developments, the developments with the oily substance, and a tracking element that may change everything about what happened to flight 370. the question is, why six years later will it be rolled out? first, michael holmes from perth. what is the latest, michael? >> reporter: anderson, good morning from perth. yeah, the bluefin-21 doing its work down under, it is almost half way to the ocean floor segment, two hours to get up, 16 hours on the bott...
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