Crew aboard the Australian Defence Vessel Ocean Shield move the US Navy's Bluefin-21 autonomous underwater vehicle into position for deployment in the southern Indian Ocean to look for the missing Malaysia Airlines flight MH370 April 14, 2014 in this file handout picture released by the US Navy. Malaysia on Aug 28, 2014 said it would share with Australia the cost of the latest effort to uncover signs of the missing flight MH370, in the hope of unlocking modern aviation's greatest mystery. Months of searches have failed to turn up any trace of the missing aircraft, which disappeared on March 8. [Photo/Agencies]