US Burns $47 Billion in Iran War - The final tally report could climb even higher as the US military now looks at the cost of replacing lost weapons and equipment, Reuters reports, citing War Department figures. The breakdown shows exactly where much of the money is being directed: more than $29 billion is expected to replace weapons used during the conflict, more than $6 billion will be needed to replace military equipment and losses, including aircraft and drones. substack | talk.