The Trump administration does not call it a war. But a recent estimate of the operation’s costs shows that the US military campaign against Iran has already generated at least $38 billion in Department of Defense expenses, with additional costs continuing to accumulate. While officials have avoided using the term “war,” the financial consequences increasingly resemble those of a prolonged military campaign.

Vice President JD Vance has said he does not describe the situation as a war, and President Donald Trump himself, responding to the same question on September 4, 2026, referred to it as a “military conflict” rather than “a big deal” for America. This is despite the fact that Trump has at other times explicitly used the word “war.”

But the issue is not merely a matter of wording. What is unfolding in Washington is the gap between the name the administration chooses for the operation and its real costs. Military operations, the consumption of munitions, the deployment of forces, equipment losses, and economic consequences do not disappear because of a change in terminology.

A conflict without a name can still produce a bill. Part of that bill is paid through public spending; part through higher energy and consumer costs; and part through long-term consequences for equipment, military stockpiles, and the economy.

The operation known as “Operation Epic Fury,” from February 2026 through August 1, has already cost the Department of Defense at least about $38 billion, according to a recent cost assessment. However, this figure does not represent the full cost of the conflict.

The estimate covers only operational, logistical, and support expenses and does not include costs from other parts of the government or certain expenses already included in existing military budgets. It also projects that if the conflict continues at a relatively low intensity, approximately $2 billion more will be added to military costs each month, while a return to a higher operational tempo could increase that figure to about $3 billion per month.

The broader cost, however, extends beyond government accounts. A recent analysis of energy costs estimates that additional gasoline and diesel expenses paid by American consumers from the beginning of the conflict on February 28, 2026 through Labor Day on September 7, exceeded $100 billion. These costs were driven by higher energy prices following disruptions to oil and gas flows and shipping routes in the region.

In practical terms, Americans with no direct connection to foreign policy or military operations still experience part of the cost of the conflict through higher fuel prices, transportation expenses, and the broader cost of goods. The additional cost of gasoline and diesel alone since the beginning of the conflict has surpassed $100 billion.

Beyond energy markets, economists have also attempted to measure how these broader costs affect household finances. One........

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