PERTH, AUSTRALIA - MARCH 30: A signalman directs a RAAF P3 Orion for parking after returning from a search mission for debris from Malaysia Airlines flight MH370 at RAAF base Pearce on March 30, 2014 in Perth, Australia. The Australian Defence vessel, Ocean Shield, departed for the missing flight MH370 search area from Perth today, equipped with special US Navy equipment designed to locate an aircrafts 'pinger' and black box. Several objects have been sighted in the Indian Ocean over the past few days, but none confirmed to be related to the missing airliner. The Malaysian airlines flight 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)