The Pentagon has disclosed to lawmakers that the United States spent $11.3 billion during the first week of military operations against Iran, according to official briefings provided to Congress.

The spending figure covers the six-day period following a joint US-Israel attack on Iran that began on February 28. Pentagon officials indicated this amount represents taxpayer-funded munitions used in the operation, which resulted in hundreds of casualties according to the briefing materials.

The disclosed figure does not include the full operational costs of the conflict, such as troop deployment expenses and ongoing logistical support. Pentagon officials noted that total expenditures have likely increased significantly as military operations continue.

The $11.3 billion expenditure exceeds the annual budgets of several federal agencies, including the Environmental Protection Agency and the National Cancer Institute. The spending disclosure comes as Congress reviews military appropriations and federal budget allocations across various government departments.

Lawmakers received the cost breakdown as part of routine Pentagon briefings on overseas military operations. The figures represent direct spending on ordnance and immediate operational costs during the initial phase of the conflict.