Iran war’s $37bn price tag: Why does the Pentagon want $67bn more?

What the report says

Al Jazeera reported that US Defense Secretary Pete Hegseth told the Senate Appropriations Committee in Washington, DC, that the months-long US-led war on Iran has cost about $37.5bn so far. Testifying on July 21, 2026, alongside Joint Chiefs of Staff Chair Gen Dan Caine, Hegseth sought to defend a request for roughly $67bn more for the Department of Defense as fighting continues.

According to Al Jazeera, senators from both parties pressed Hegseth over the rising cost and the administration’s handling of a conflict Washington had earlier claimed it had won. The outlet reported that the new estimate exceeds a $25bn figure given to the Senate in April. The requested Pentagon funding is part of a broader $87.6bn supplemental request for the 2026 budget year and is tied to a proposed $1.5 trillion defense budget for fiscal 2027.

The administration’s stated rationale is the need to sustain operations and rebuild weapons inventories. Al Jazeera cited analysis from the Center for Strategic and International Studies saying US stocks of several major systems, including Patriot, THAAD, SM-3 and Precision Strike Missiles, have fallen to half or less of pre-war levels. Hegseth said the money would cover procurement, production, pay, training, operations and replacement of damaged or expended equipment.

Al Jazeera also reported broader costs from the conflict, including at least 18 US service members killed and about 500 injured, as well as pressure on fuel prices after disruptions affecting Gulf shipping routes. The funding request matters because Congress must decide whether to approve a major expansion in defense spending while lawmakers question the war’s duration, objectives and economic impact.