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

By Idrees Ali, Patricia Zengerle and Phil Stewart WASHINGTON, July 21 (Reuters) - The cost of the United States' war in Iran has risen to $37.5 billion so far, U.S. Defense Secretary Pete Hegseth said on Tuesday, as he faced skeptical lawmakers for the first time since heavy bombings resumed to seek urgent funding for the unpopular conflict.