US war in Iran has cost $37.5 billion so far, Pentagon says

WASHINGTON, July 21 (Reuters) - The United States' war in Iran has cost $37.5 billion so far, U.S. Defense Secretary Pete Hegseth said on Tuesday, an increase of nearly $8 billion since the last public estimate. Hegseth told lawmakers at a hearing in Washington that the figure included certain aspects of the war as well as anticipated costs through September 30.