U.S. Navy maintenance crew members assigned to Patrol Squadron (VP) 16 conduct a foreign object debris walk down around a P-8A Poseidon aircraft at Perth Airport in Perth, Australia, April 4, 2014. The squadron was in Australia participating in the international search effort to locate Malaysia Airlines Flight 370. U.S. Navy ships and aircraft were dispatched to assist a multinational search for Malaysia Airlines Flight 370, which disappeared March 8, 2014, over the Gulf of Thailand with 239 people aboard.