U.S. Defense Secretary Pete Hegseth said at a Senate hearing Tuesday that the war with Iran has cost $37.5 billion [1].

The admission comes as the Pentagon seeks a massive infusion of emergency capital to sustain military operations and address rising human costs.

Testifying before the Senate Armed Services Committee in Washington, D.C., Hegseth defended the need for more resources to manage the ongoing conflict. He said, “The cost of the war has now reached $37.5 billion,” [2]. The secretary said that the U.S. is stepping up to meet the moment [3].

Financial requests for the conflict vary by source, reflecting the scale of the emergency funding being sought. Some reports indicate a Pentagon request for $67.1 billion [4], while others cite a $70 billion emergency spending request [5]. This funding is part of a larger overall budget sought by Hegseth and Joint Chiefs Chairman Caine totaling $1.5 trillion [6].

Beyond the financial toll, the conflict has resulted in the deaths of three American soldiers [7]. Hegseth said during the hearing that emergency funds are necessary to support troops and maintain strategic objectives in the region.

Lawmakers questioned the rising costs and the trajectory of the war. Hegseth said that the requested funds are essential for national security, despite the significant financial burden already incurred since the conflict began earlier this year.

““The cost of the war has now reached $37.5 billion,””

The disparity between the current $37.5 billion spend and the request for up to $70 billion in additional emergency funding suggests a significant escalation in the projected intensity or duration of the conflict. By linking these financial needs to the deaths of U.S. service members and a trillion-dollar broader budget, the administration is attempting to frame the spending as a non-negotiable requirement for military viability.