U.S. Secretary of Defence Pete Hegseth estimates Iran war cost at $37.5 billion; senators ask 'Where did the money go?'
Patty MurrayJeanne ShaheenPete HegsethDonald TrumpDan CaineKirsten GillibrandJohn KennedyGary PetersUnited States Department of DefenseUnited States CongressUnited States Senate Committee on AppropriationsJoint Chiefs of Staff

U.S. Secretary of Defence Pete Hegseth estimates Iran war cost at $37.5 billion; senators ask 'Where did the money go?'

U.S. Secretary of Defence Pete Hegseth testified that the Iran war has cost $37.5 billion, a significant increase from $29 billion in May. Senators, including Jeanne Shaheen, questioned the funding request, citing $75 billion in unspent funds and demanding transparency regarding the war's objectives and expenditures.

The Hindu The Hindu+2 sources22 July 2026 · 10:30 UTC
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U.S. Secretary of Defence Pete Hegseth announced that the cost of the ongoing war with Iran has escalated to $37.5 billion, a rise of $8.5 billion since May. During a Senate Appropriations Committee hearing, Hegseth defended a request for $67 billion in supplemental funding, stating it is "urgent" and "necessary" to cover military expenses through September.1234789

Senator Jeanne Shaheen challenged Hegseth's request, highlighting that the Pentagon has $75 billion in unspent funds. She questioned, "Why are you asking the American people to absorb the cost of a war they don't support?" Hegseth responded that the unspent funds were "otherwise allocated" for other priorities under the Trump administration.56

The hearing revealed bipartisan frustration over the lack of transparency regarding the war's objectives. Senator John Kennedy emphasized the need for "hard answers and straight talk" about the U.S. strategy in the region. Hegseth warned that without the requested funds, the Pentagon would face "critical shortfalls" affecting service members and military operations.

The war, which began on February 28, has seen escalating costs and ongoing military actions, including recent airstrikes on Iranian targets. Hegseth's testimony marks a pivotal moment as lawmakers demand accountability and clarity on the administration's military strategy.

As the conflict continues, the urgency for funding and strategic clarity remains a pressing concern for both Congress and the American public.

Key Insight
“Hegseth also requested $67 billion in supplemental funding, calling it 'urgent' and 'necessary' to cover Pentagon costs through September. Democratic Senator Shaheen challenged him, noting $75 billion in unspent funds and asking why Americans should pay for an unpopular war.”
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CuriousCats studied:
1
The HinduThe Hindu
“U.S. Defence Secretary Pete Hegseth said on Tuesday (July 21, 2026) the has cost the United States $37.5 billion so far, up from a previous estimate of nearly $29 billion in mid-May.”
The Hindu →
2
livemint.comlivemint.com
“Defence Secretary Pete Hegseth announced the cost of the U.S. war with Iran has risen to $37.5 billion, an $8.5 billion increase from May.”
livemint.com →
3
Hindustan Times
“The cost of United States' war on Iran, that began on February 28, has now surpassed $37.5 billion, US defence secretary Pete Hegseth has said.”
Hindustan Times →
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