FILE - An undated file photo shows American aviatrix Amelia Earhart. A $2.2 million expedition is hoping to finally solve one of America's most enduring mysteries. A grainy sonar image recorded last fall by a private pilot has reinvigorated interest in one of the past century’s most alluring mysteries: what happened to pioneering aviator Amelia Earhart and her plane during a flight around the world in 1937?,Image: 842019656, License: Rights-managed, Restrictions: This content is intended for editorial use only. For other uses, additional clearances may be required. UNDATED FILE PHOTO, Model Release: no