Pentagon watchdog finds US munitions shortfalls as Iran war costs hit $33.4B


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The first Pentagon watchdog report on Operation Epic Fury puts the early cost of the Iran war at $33.4 billion — and warns the fighting has left the U.S. with strategic munitions shortfalls..

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The Defense Department inspector general estimates the U.S. spent $33.4 billion on the operation through late June, including $22.3 billion in expended munitions and $3.7 billion in equipment losses. The estimate does not include infrastructure repair costs.

The report also says the heavy use of munitions created “strategic inventory shortfalls” and exposed bottlenecks in the defense industrial base’s ability to replace them.

A U.S. Sailor moves ordnance in the hangar bay aboard Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72) in support of Operation Epic Fury, April 1, 2026. (U.S. Navy photo)

A costly burn rate

The report covers the quarter ending June 30, with its cost estimate reaching back to the start of the operation on Feb. 28.

U.S. forces launched Operation Epic Fury as part of a U.S.-Israeli campaign targeting Iran’s nuclear, missile, naval and security infrastructure, according to the report. U.S. Central Command said American forces conducted about 36,000 combat sorties and more than 1,800 fire missions during major combat operations.

The watchdog said the defense industrial base needs “significant lead time” to expand production. The most persistent chokepoints include solid rocket motors, high-grade explosives and propellants, and skilled manufacturing labor.

The findings contrast with President Donald Trump’s public comments about U.S. weapons production. Trump said Monday the U.S. is producing more advanced weapons than at any time in its history and that Patriots, THAAD systems, Tomahawks and other missiles are being delivered daily to forces in the Middle East and beyond.

Aircraft, bases and troops

The report also details U.S. losses.

Seven U.S. service members were killed in action and seven died in non-hostile events from Feb. 28 to June 30. Another 417 were wounded. Four additional service members were killed in action in July.

Dozens of aircraft were damaged or destroyed, including four F-15Es, an A-10 and as many as 30 MQ-9 drones. An F-35A was damaged, along with seven KC-135 refueling aircraft that were damaged or destroyed.

Iranian strikes damaged and destroyed hundreds of buildings and structures at U.S. bases in Kuwait, Bahrain, Qatar, the United Arab Emirates, Saudi Arabia, Iraq, Oman and Jordan, according to the report.

The bill is still growing

The State Department reported $113 million in conflict-related costs as of June 2, including $79.2 million for evacuation-related expenses and other contingencies.

U.S. diplomatic facilities in Iraq, Kuwait, Saudi Arabia and the UAE sustained about $184 million in damage. Iraq accounted for most of that total.

Defense Secretary Pete Hegseth told Congress in July that without supplemental funding, the Pentagon could face critical shortfalls affecting pay, munitions replacement and global operations. The White House has requested $67.1 billion for the Pentagon, including $21 billion for munitions.

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Why this story matters

A Pentagon watchdog report documents $33.4 billion spent on Operation Epic Fury through late June, with weapons depletion and base damage already affecting U.S. military readiness and federal spending.

Weapons stockpiles are strained

The inspector general found that munitions used in the war left "strategic inventory shortfalls" and exposed weaknesses in the system meant to replenish them, with chokepoints in rocket motors, explosives and skilled labor.

Federal budget pressure is real

Defense Secretary Pete Hegseth told Congress that without supplemental funding, the Pentagon faces shortfalls affecting troop pay, munitions replacement and global operations — a claim the White House backed with a $67.1 billion funding request.

U.S. casualties and losses confirmed

The report documents 11 service members killed, 417 wounded and dozens of aircraft damaged or destroyed from Feb. 28 through July, with base infrastructure across eight countries also damaged.

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Fear No Fact.™

Don't just take our word for it.


Center-rated reporting

According to media bias experts at AllSides

AllSides Center-rated reporting May 2026

Transparent and credible

Awarded a perfect reliability rating from NewsGuard

100/100

Welcome back to trustworthy journalism.

Find out more

Bias comparison

  • Media outlets on the left frame the Iran war as an “escalating military cost,” with phrases like “eating into America’s weapons stockpiles” and “penury” underscoring depletion, possible three-year replenishment, and tension with Trump’s “unlimited quantities” claim.
  • Media outlets in the center are more restrained, emphasizing a “first formal accounting” and distinguishing strategic shortfalls from total exhaustion.
  • Media outlets on the right ikewise stress readiness failures but adds national-security humiliation, calling it an “expensive embarrassment,” a “painful truth,” and evidence the Pentagon “admits” shortages after denial.

Media landscape

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Key points from the Left

  • The Pentagon's inspector general reported that the war with Iran has caused a shortage of U.S. Munitions and supply chain bottlenecks, leading to efforts to speed procurement and stockpile materials to respond quickly to future needs.
  • The conflict has cost approximately $33.4 billion, including munitions, equipment losses, and other expenses, and has displaced over 20,000 U.S. Military and diplomatic personnel.
  • Extensive damage to U.S. Aircraft, drones, military bases, and State Department facilities across multiple countries has been documented, with restoration efforts expected to cost billions more.

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Key points from the Center

  • The Pentagon's inspector general released a report on Monday confirming that the Iran war has caused strategic munitions shortfalls and exposed industrial base bottlenecks for resupply.
  • Operation Epic Fury, which began February 28, 2026, cost an estimated $33.4 billion through June 29, with $22.3 billion of that spent on expended munitions alone.
  • Iranian strikes damaged or destroyed hundreds of buildings at U.S. Bases across Kuwait, Bahrain, Qatar, UAE, Saudi Arabia, Iraq, Oman and Jordan, causing $184 million in damage to diplomatic facilities.
  • President Donald Trump has repeatedly disputed these findings, claiming the U.S. Possesses "virtually unlimited" ammunition, while officials work to streamline procurement processes and stockpile critical materials.
  • Military experts warn that replenishing advanced missiles to pre-war levels could take three years, intensifying debates in Washington about the U.S. Military's capacity to sustain prolonged conflict while maintaining reserves for other threats.

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Key points from the Right

  • A US government watchdog report reveals significant munitions shortages and resupply bottlenecks for advanced weapons systems during the conflict with Iran.
  • Iranian strikes caused extensive damage to US aircraft, drones, and bases across the Middle East, with diplomatic facility damages estimated at $184 million.
  • The conflict has cost the US approximately $37.5 billion, including expenses related to evacuating about 9,000 citizens from the Middle East and Europe, costing over $11 million.
  • US military sales to regional allies during the period exceeded $44 billion, primarily to Saudi Arabia, Qatar, Kuwait, the UAE, and Israel.

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