Tuesday, September 15, 2026

A Pentagon watchdog report published on Monday disclosed that the United States sustained significant losses during Iranian attacks, including the destruction or damage of dozens of aircraft and hundreds of buildings and structures. The Department of Defense inspector general’s findings represent the first official accounting of U.S. casualties from the conflict spanning February 28 to June 30.

The report also highlights mounting challenges within the U.S. military, noting dwindling munitions and critical supply chain bottlenecks—details that contrast sharply with President Donald Trump’s repeated assurances about American arms production and ammunition reserves.

Since the onset of hostilities in late February, Iranian forces have launched repeated strikes on U.S. military installations across the Gulf region. While Gulf nations and Washington often reported successful intercepts, the Pentagon’s assessment paints a starkly different picture—one of substantial damage and financial losses.

Vehicles drive past a billboard depicting a Persian legendary hero and flying figure hitting US aircraft carriers alongside a message in English: ‘From the Persian Gulf a new power rises’, and in Farsi, ‘The army of Satan will be drowned in the Persian Gulf’, at Islamic Revolution Square in downtown Tehran, Iran, Monday, September 14, 2026 [Vahid Salemi/AP]

How many US personnel were killed?

According to the inspector general’s report, at least 11 U.S. service members lost their lives in combat operations, while seven others died in non-combat-related incidents during the same period.

The fatalities occurred across multiple locations: six at Kuwait’s Port Shuaiba on March 1; one in Saudi Arabia on the same day; three at Jordan’s Muwaffaq al-Salti airbase (also known as Al Azraq base) on July 17; and one at Iraq’s Erbil airbase on July 19. Additionally, six personnel perished when a KC-135 refueling tanker crashed in Iraq on March 12, and another died following an MH-60S helicopter crash in the Arabian Sea on July 1.

The report also documented over 400 wounded U.S. troops as a result of Iranian attacks through June 30.

Islamic Revolutionary Guard Corps (IRGC) military personnel stand guard next to an Iranian Kheibar Shekan Ballistic missile in downtown Tehran during a rally commemorating International Quds Day, also known as Jerusalem Day, on April 29, 2022 [Morteza Nikoubazl/NurPhoto via Getty Images]

What is the full scope of U.S. aircraft losses?

U.S. losses included a wide range of platforms—from frontline fighters and reconnaissance planes to rescue helicopters and armed drones. Key aircraft losses detailed in the report include:

  • F-15E Strike Eagle: Four of these $30 million twin-engine fighter-bombers were lost. Three were shot down by friendly fire over Kuwait on March 1, and a fourth was downed in combat over Iran in April. All pilots survived.
  • F-35A Lightning II: One of the Pentagon’s advanced stealth fighters was damaged by Iranian fire in March.
  • A-10 Thunderbolt II: At least one heavily armored ground-attack plane was shot down by Iranian forces.
  • KC-135 Stratotanker: Seven aerial refueling tankers were damaged or destroyed. One crashed in Iraq on March 12 during a mission, killing all six crew members. Five were attacked on the ground in Saudi Arabia by missiles and drones.
  • E-3 Sentry (AWACS): One airborne early warning aircraft was damaged at Prince Sultan Air Base in Saudi Arabia during an Iranian strike.
  • HH-60W Pave Hawk: One helicopter was hit during a combat search-and-rescue mission.
  • MQ-4C Triton: One $240 million high-altitude surveillance drone crashed in April.
  • AH-6 Little Bird: Four helicopters were intentionally destroyed by U.S. forces after becoming unrecoverable during a rescue operation in Iran.
  • AH-64 Apache: At least one attack helicopter was shot down near the Strait of Hormuz on June 8.
  • MH-60S Seahawk: One naval helicopter crashed in the Arabian Sea on July 1. Three of four crew members were rescued; one remains missing.
  • MQ-9 Reaper: Up to 30 long-endurance armed drones used for surveillance and precision strikes were destroyed.

Iran’s military has claimed additional damage to U.S. assets, including the downing of several surveillance and attack drones near the Strait of Hormuz. Tehran also recently seized a U.S. submersible Dive-LD vessel.

Damage to U.S. Bases Across the Region

Centcom confirmed that Iranian attacks resulted in the destruction or damage of hundreds of buildings and structures at U.S. military facilities throughout Kuwait, Bahrain, Qatar, the UAE, Saudi Arabia, Iraq, Oman, and Jordan.

However, the report did not specify exact figures or locations. Previous reports indicate that some bases were temporarily shut down or relocated in response to ongoing threats.

The inspector general highlighted logistical difficulties faced by U.S. forces, particularly delays in establishing forward operating positions and securing host-nation agreements for port access. Logistics support relying on Diego Garcia has been hampered by long transit times, leading to 14- to 18-day resupply cycles, according to CENTCOM.

A fire burns outside the grounds of the US Embassy headquarters in Baghdad’s fortified Green Zone on March 17, 2026, following a drone and rocket attack, according to security officials [AFP]

Impact on U.S. Diplomatic Facilities in the Gulf

The report revealed that Iranian attacks caused extensive damage to U.S. diplomatic missions in Iraq, Kuwait, Saudi Arabia, and the UAE, with estimated repair costs reaching $184 million.

Additionally, the State Department reported monthly losses of approximately $24.5 million due to project delays linked to ordered departures and travel restrictions affecting diplomatic posts in Baghdad, Jerusalem, Tel Aviv, Cairo, Amman, Kuwait City, and Muscat.

Iraq

The U.S. mission in Iraq endured over 600 separate attacks through the end of June, resulting in nearly $157 million in damages. The new U.S. Consulate General compound in Erbil suffered significant structural harm, while the embassy in Baghdad sustained lesser—but still notable—damage. The Baghdad Diplomatic Support Center, located near the international airport, experienced severe impact.

Kuwait

The U.S. Embassy in Kuwait City halted operations on March 5 due to escalating regional tensions and infrastructure damage, incurring repair costs close to $14.75 million.

< h3>Saudi Arabia

On March 3, two Iranian drones struck the U.S. Embassy in Riyadh, causing material damage valued at roughly $11.5 million.

UAE

The U.S. Consulate General in Dubai recorded minor damage to a utility building, with repairs estimated at around $120,000.

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