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An Autonomous Underwater Vehicle is brought back aboard the Australian ship Ocean Shield after a search mission for the missing Malaysia Airlines Flight 370 in the southern Indian Ocean on Saturday, April 19.
An Autonomous Underwater Vehicle is brought back aboard the Australian ship Ocean Shield after a search mission for the missing Malaysia Airlines Flight 370 in the southern Indian Ocean on Saturday, April 19.

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    MH370 search teams working on 'Plan B'

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MH370 search teams working on 'Plan B'

Underwater drone on 10th mission in Indian Ocean, having found no sign of the plane so far. CNN's Pamela Brown reports.

MH370 search teams working on 'Plan B'

Underwater drone on 10th mission in Indian Ocean, having found no sign of the plane so far. CNN's Pamela Brown reports.