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The Phoenix International Autonomous Underwater Vehicle (AUV) Artemis is craned over the side of Australian Defence Vessel Ocean Shield in the search for missing Malaysia Airlines Flight MH370 in the Southern Indian Ocean in his picture released by the Australian Defence Force on April 20, 2014. Image Credit: REUTERS

The most expensive search in the aviation history has been fruitless so far but the efforts will continue. Click on the below infographic for a deep look on the main hi-tech devices used until now and its participation in this quest.