Hegseth Cites $37.5 Billion Cost, Seeks $70 Billion for Iran War
The emergency supplemental request — arriving nearly five months into active conflict — will test congressional appetite for open-ended war funding and force a formal accounting of expenditures...
Defense Secretary Pete Hegseth has estimated the cost of the ongoing U.S. war with Iran at $37.5 billion and is requesting up to $70 billion in emergency military spending, according to reporting by The New York Times published July 21, 2026. The request comes approximately five months after hostilities began. No detailed line-item breakdown of the $37.5 billion figure has been released publicly. The document that would reveal that breakdown is a formal cost estimate submitted to the Office of Management and Budget or the relevant House and Senate Appropriations subcommittees on Defense.
Emergency supplemental spending requests bypass the standard annual National Defense Authorization Act and appropriations cycle. Congress has the constitutional authority under Article I to approve or reject the request. As of publication, no vote has been scheduled in either chamber, and no companion legislation has been introduced in the congressional record.
The $70 billion ceiling on the emergency request is roughly 9.2 percent of the total FY2025 base defense budget of approximately $762 billion, as established by the Consolidated Appropriations Act. Whether the administration intends to submit a single supplemental or a series of tranches is not yet public. The OMB passback document or a formal budget amendment transmitted to Congress would answer that question.
Congressional oversight of wartime supplemental spending has historically been contested across both parties. During the post-2001 Global War on Terror, supplemental requests were a recurring mechanism that critics on both sides of the aisle — including then-Senators Barack Obama (D-IL) and John McCain (R-AZ) — argued obscured true war costs from the public budget baseline. Whether the current Congress will attach conditions, reporting requirements, or spending caps to the Iran request is unknown. The relevant public record would be markup language from the House and Senate Appropriations Committees.
What remains unknown includes: the classified versus unclassified breakdown of the $37.5 billion spent to date, which combatant commands have drawn on those funds, and whether any emergency reprogramming of existing Pentagon accounts has already occurred ahead of formal congressional approval. A formal reprogramming notification to the four defense committees would be the document to confirm the latter.