A U.S. Navy P-8A Poseidon aircraft, left, attached to Patrol Squadron (VP) 16 sits next to a Royal Australian Air Force E-7A Wedgetail aircraft in Perth, Australia, April 1, 2014. 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.