The ongoing US-led military engagement against Iran has incurred an estimated $3.7 billion in costs during the first 100 hours of conflict, averaging nearly $900 million daily, according to a recent analysis by the Washington-based Center for Strategic and International Studies (CSIS).
Researchers Mark Cancian and Chris Park highlighted that only a small portion of this expenditure around $200 million was pre-budgeted, while the remaining $3.5 billion was unplanned, likely prompting the Pentagon to seek additional funding soon.
Such unanticipated costs are expected to pose political challenges for the Trump administration and could energize opposition to the war domestically.
The conflict, now in its seventh day, involves the use of stealth bombers and advanced weaponry, with US forces deploying over 2,000 munitions in the initial 100 hours.
Replenishing the munitions inventory alone is estimated to cost approximately $3.1 billion, with daily replenishment expenses rising by around $758 million.
The war's financial toll comes amid rising domestic concerns over inflation, surging gas prices, and the broader economic impact, which are likely to diminish public support.
The conflict also strains President Trump's "America First" stance, especially as critics point to the high costs and risks of prolonged foreign military engagements.
The CSIS analysis underscores the substantial financial and political stakes of the escalating conflict, raising questions about future funding and public support as the war continues.
