By Eamon Javers, CNBC Washington DC correspondent
NEW YORK ( CNBC) -- It has been called the largest airborne transfer of currency in the history of the world. But finding out what happened to all the money involved has become one of the biggest financial mysteries of all time. Beginning in the very earliest days of the war in Iraq, the New York Federal Reserve shipped billions of dollars in physical cash to Baghdad to pay for the reopening of the government and restoration of basic services. The money was packed onto pallets inside a heavily guarded New York Federal Reserve compound in East Rutherford, New Jersey, trucked to Andrews Air Force Base outside of Washington, and flown by military aircraft to Baghdad International Airport.
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