According to CoinMeta, [US Department of Defense: Military Operations Against Iran Have Exceeded $47 Billion] According to a report by Cailian News on October 28th, based on data from the US Department of Defense, the expenses for US military operations against Iran have now exceeded $47 billion. Previously, US Secretary of Defense Hagel stated during a hearing before the Senate Appropriations Committee on July 21st of this year that the US had spent about $37.5 billion on military operations against Iran. (CCTV News).