Underwater vehicle to search for MH370

 In this handout image provided by the U.S. Navy, The Bluefin 21, Artemis autonomous underwater vehicle (AUV) is hoisted back on board the Australian Defence Vessel Ocean Shield after successful buoyancy testing April 1, 2014 in the Indian Ocean.

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    Underwater vehicle to search for MH370

Official says an Australian ship will stop seeking pings from Flight 370 and an underwater vehicle will be deployed.