No New 'Pings' in Search for Flight 370

Searchers are still confident they are looking in the right place.

Transcript for No New 'Pings' in Search for Flight 370

Now, to the ships out searching for missing Malaysian airline flight 370. Trying to hear the pings from the black boxes. And standing by to drop a submersible the second they hear them. ABC's David... See More
This transcript has been automatically generated and may not be 100% accurate.
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