A few days before the midterm elections, the rising economic cost of the war and the Trump administration’s threat of further attacks on Iran threaten to do serious harm to Republicans at the polls. Photo: EFE.

The U.S. war against Iran has cost U.S. taxpayers $47.1 billion dollars, according to the latest Pentagon figures delivered to Congress, as the economic fallout threatens Republicans just days before the midterm elections.

The conflict, launched unilaterally by Washington and Israel in late February, keeps draining public resources with no end in sight. The number comes from U.S. Central Command (Centcom), and covers expenditures through October 16.

It is the most current estimate of a war whose bill has climbed by $3.5 billion since early September, when it stood near $43.6 billion.

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The reports sent to Congress break the spending down line by line. The largest share, roughly $29 billion, went to replacing munitions consumed on the battlefield. Another $12 billion covered additional operational expenses, and $6.1 billion paid for military equipment lost or damaged.

The figures also show $7.6 billion spent on U.S. Air Force logistical support for troops deployed across the region, including air transport, communications and base maintenance. Yet even that official tally leaves something out: the cost of repairing U.S. military bases in West Asia damaged by Iranian missile and drone attacks does not appear in the Pentagon’s estimate.

The Congressional Budget Office has put the monthly burden at between $2 billion and $3 billion. That same agency warns that rebuilding depleted ammunition reserves could take around five years, a delay that would undercut Washington’s ability to respond to other crises.

The US war against Iran had cost $47.1 billion by October 16, with bombs, missiles and other munitions accounting for more than 60 percent of the total, The New York Times reported, citing figures the Pentagon presented to Congress last week.

Despite President Donald Trump… pic.twitter.com/a6bZTQa1Kz

— VOH (English) (@H_Voice3) October 28, 2026

Republicans Under Pressure

The rising cost has turned into a central political issue with midterm elections now a week away. Voters will decide which party controls Congress during the final two years of Donald Trump’s presidency, and the war’s economic fallout is hitting close to home.

Instability and higher energy prices have become visible consequences of a campaign that began without congressional authorization. Those same pressures now threaten to punish Republicans at the polls, as the administration’s threats of new attacks add further uncertainty.

The October 16 cutoff means the published number is already stale. Every additional strike, every replacement missile and every surge of troops pushes the figure higher before the next report lands. The Pentagon’s own admission that it cannot yet account for damaged bases suggests the true cost will keep growing well after the ballots are counted.

What began as a unilateral military venture now carries a price tag measured in tens of billions, a depleted arsenal and a five-year rebuild timeline. That arithmetic, delivered to Congress just before voters head to the polls, has placed the war’s defenders on the defensive.

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