Pentagon Watchdog: Iran War Cost $33.4 Billion, Hit Weapons Stocks

The Pentagon inspector general's first Iran war report puts Operation Epic Fury at $33.4 billion and formally acknowledges strategic munitions shortfalls and heavy aircraft losses.

The Defense Department's Lead Inspector General report to Congress, released Monday, estimates Operation Epic Fury cost approximately $33.4 billion as of June 29. The watchdog concluded that munitions expenditure 'resulted in strategic inventory shortfalls and revealed industrial base bottlenecks for munitions resupply' — the first official government acknowledgement of supply-chain strain that President Trump and Defense Secretary Pete Hegseth have repeatedly downplayed. Trump again insisted on Truth Social that the US is producing more 'Exquisite and Elite Weapons' than at any time in its history.

The finding directly contradicts months of public assurances. Two weeks ago Trump claimed the US had 'virtually unlimited' ammunition, and on Monday he repeated that weapons production was at historic highs, while Hegseth has denied munitions shortages — yet Samaa TV reports he warned Congress in July that without supplemental funding the Pentagon could face critical shortfalls. The White House had already filed an $87.6 billion emergency supplemental request on June 24, including $67.1 billion for the Pentagon and $21 billion earmarked for munitions. The Sunday Guardian notes analysts previously estimated it could take about three years to restore advanced missiles and air-defense interceptors to pre-war levels.

The report documents heavy losses across the air fleet: four F-15E fighters destroyed, an F-35A damaged by enemy fire — reportedly the first battle damage for its type — an A-10 destroyed, seven KC-135 tankers damaged or destroyed, seven helicopters and more than 30 MQ-9 Reaper drones lost. Iranian strikes damaged or destroyed hundreds of buildings at US bases across Kuwait, Bahrain, Qatar, the UAE, Saudi Arabia, Iraq, Oman and Jordan, per CNN.

CNN reports the destruction of the Navy's regional hub in Bahrain forced CENTCOM to shift personnel, assets and storage, making the distant Indian Ocean island of Diego Garcia a sea logistics hub and stretching resupply cycles to 14–18 days. Army medevac helicopters were withdrawn from Iraq and Kuwait, meaning most medical evacuations moved to ground transport, and sailors faced record-long deployments alongside intermittent supply and mail disruptions. More than 600 attacks hit US facilities in Iraq, per a senior State Department official cited by CNN, and the State Department reported roughly $184 million in damage to diplomatic facilities in Iraq, Kuwait, Saudi Arabia and the UAE.

The broader concern is readiness for a second major war, not this one. CBS News quotes Mark Cancian of the Center for Strategic and International Studies: 'For a war against Iran, the answer is yes. The problem is a war against China. We might be able to provide enough munitions for a month, but getting on to month two or month three or four, that's a great challenge.' Identified bottlenecks include solid rocket motors, high-grade explosives and propellants, and shortages of skilled manufacturing workers. The report notes the defense industrial base needs 'significant lead time' to expand production, so money alone cannot quickly rebuild stocks.

The $33.4 billion figure is not final: the report excludes military infrastructure repair costs because officials cannot yet say which bases will be rebuilt or who will pay, and the State Department separately tallied more than $208 million in conflict-related costs including evacuations of about 9,000 US citizens, according to Samaa TV. Most diplomatic posts remain on restricted operations, and CNN reports military and intelligence officials have quietly discussed lasting cuts to the US regional footprint once the war ends.