The conflict has cost Washington around $29 billion, US Defense Department’s top budget official told Congress The Pentagon has raised its estimate of the cost of the Iran war to $29 billion, though the figure remains well below projections from several think tanks. In late April, acting Pentagon Comptroller Jules Hurst told lawmakers in Congress that the war had cost Washington around $25 billion. Testifying in a House Appropriations Committee hearing on Tuesday, Hurst revised the assessment, attributing most of the costs to US munition stockpiles used against Iran. However, according to journalist and Security Policy Reform Institute co-founder Stephen Semler, Washington spent an estimated $71.8 billion in just the first 60 days of the war.…