WSJ: US military chief said to warn Iran conflict could sap munitions stockpiles

IDF Chief of Staff Lt. Gen. Eyal Zamir meets with the US Chairman of the Joint Chiefs of Staff, Gen. Dan Caine, at the Knesset, October 13, 2025. (Israel Defense Forces)
IDF Chief of Staff Lt. Gen. Eyal Zamir meets with the US Chairman of the Joint Chiefs of Staff, Gen. Dan Caine, at the Knesset, October 13, 2025. (Israel Defense Forces)

The US military chief has reportedly warned US President Donald Trump that an extended campaign against Iran could have significant negative effects on the US and its military preparedness.

According to The Wall Street Journal, chairman of the Joint Chiefs of Staff Gen. Dan Caine has warned Trump that an extended conflict “could incur significant costs to US forces and munitions stockpiles.”

The newspaper reports that concerns have also been voiced that if the US “uses up large amounts of air-defense munitions and other items that are in limited supply,” it will curtail its ability to counter China in any future conflict.

The Axios news site first reported earlier today about Caine’s airing of concerns to Trump, who is said to still be weighing his options ahead of scheduled talks with Tehran on Thursday in Geneva.

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