$25bn or $1 trillion: How much has Iran war really cost the US?

United States Defense Secretary Pete Hegseth has clashed with American lawmakers over the cost of war on Iran in his first appearance on Capitol Hill since the conflict – now into its third month – broke out.

The Pentagon told a hearing of the House Armed Services Committee on Wednesday that the US had spent $25bn on its war on Iran, largely on munitions and equipment maintenance.

But Demo...