Major Development In Search For MH370 May Lead To Black Box

PERTH, AUSTRALIA - APRIL 08: A RAAF P3 Orion taxis to the runway to resume a search for debris from missing Malaysia Airlines Flight MH370 at RAAF Base Pearce on April 8, 2014 in Perth, Australia. ACM Angus Houston advised the towed pinger by ADV Ocean Shield is still trying to re-locate the signals previously detected, which were believed to be consistent with aircraft black boxes. The airliner disappeared on March 8 with 239 passengers and crew on board and is suspected to have crashed into the southern Indian Ocean. (Photo by Paul Kane/Getty Images)