Iran military strike possible but could strain defense systems, insiders say

As coordinated U.S. and Israeli strikes against Iran continue, current and former defense officials say a limited strike lasting several days is possible, but sustaining a broader conflict involving potentially hundreds of missiles is much more complicated.

The United States and Israel undertook a mission known as Operation Epic Rage on Saturday, targeting Iranian leadership and military facilities. Its duration is not yet clear, but according to US officials, the campaign may last for days.

Sustaining operations beyond the initial window presents a more complex challenge shaped by the “zero-sum” competition for missile defense inventories between the Middle East and Europe.

Officials and analysts warn that certain U.S. missile and air defense interceptor inventories have been severely depleted by the relentless pace of recent operations. The strategic dilemma for the Pentagon is that the systems needed to protect U.S. bases from Iranian retaliation are the same systems that are being depleted by the defense of Ukraine and the continued protection of Israel.

Iran has already launched counterattacks near US positions in Bahrain, Qatar, the United Arab Emirates, Kuwait and Jordan; many host governments said their air defense systems intercepted incoming projectiles. No U.S. service members were reported dead or injured as of Saturday, a U.S. official told Fox News Digital.

U.S. officials have not publicly released casualty figures or official damage assessments.

During the intense Iran-Israel conflict in June 2025, U.S. forces fired more than 150 Terminal High Altitude Area Defense Interceptors (roughly a quarter of the total global inventory) and numerous standard ship-based missiles to protect allies, according to published defense assessments.

This shortage is largely attributed to dual pressure on Ukraine to supply cruise missiles against Russia and increase batteries for the Middle East. Analysts say it could take more than a year to replace these high-end systems because production lines are optimized for peacetime and cannot be ramped up overnight.

Independent groups have noted that the United States currently produces approximately 600-650 Patriot PAC-3 MSE missiles per year, reflecting recent contracts to increase production capacity. Analysts say that in a high-intensity war with a close rival like Iran — often using multiple interceptors to destroy a single incoming missile — even a year’s production could be consumed within weeks, especially after recent withdrawals in Ukraine and the Middle East.

In response to preparedness questions, chief Pentagon spokesman Sean Parnell said, “The War Department has everything it needs to accomplish any mission on any timeline, at the time and place of the President’s choosing.” he said.

Retired Air Force Gen. Charles Wald, former deputy commander of U.S. European Command, said the United States maintains the ability to deliver conventional offensive munitions to the region and draw on pre-positioned stockpiles if an action order is issued.

“From a conventional munitions standpoint, we can always ship more weapons from around the world,” Wald told Fox News Digital. “There are a lot of weapons stored there with this type of mission in mind.”

He acknowledged that the biggest concern is on the defensive end.

“The problem will be defensive weapons; the Patriot, the SM-3 and the Arrow system in Israel,” Wald said. he said. “You can never have enough defense.”

Regional analysts warn that in a constant exchange of missiles, interceptor inventories, not offensive weapons, could become the binding constraint.

“The number of THAAD missiles that can be used is limited,” Israeli defense analyst Ehud Eilam said. “These are not systems you can reproduce overnight.”

Iran is believed to have 1,500 ballistic missiles and 2,000 ballistic missiles, as well as unmanned aerial vehicles and short-range rockets capable of hitting US bases and Gulf energy infrastructure.

A U.S. Army Terminal High Altitude Area Defense weapon system is seen at Andersen Air Force Base, Guam, in October 2017. (Reuters/US Army/Captain Adan Cazarez)

Some experts also noted the psychological impact of recent US operations.

The rapid Operation Absolute Resolve in Venezuela in January 2026 and the 12-day contact with Iran in the summer of 2025 strengthened confidence in America’s military capabilities. But one former defense official warned that success in these narrowly focused missions could create a false sense of momentum for action in much more complex scenarios.

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“Iran is a very different problem,” the official said; a large, heavily armed state with large missile forces and regional proxy networks that would not amount to a short, surgical operation.

Wald accepted this risk.

“You don’t want to convince people that they don’t consider the risks. This won’t be as clean and pure as, say, Venezuela or the 12-day war.”

Iran’s Supreme Leader Ayatollah Ali Khamenei was photographed sitting next to a senior military officer in Iran. (Getty Images)

Even as attacks continue, officials warn that retaliation by Iran and its network of allied militias could escalate the conflict. According to defense reports, Iran’s ballistic missiles and drones (along with allied groups in Iraq, Lebanon and Yemen) have already led to missile salvoes against US bases and Gulf partners.

Experts say the conflict in 2025 shows how quickly escalation can test both defense systems and political will.

“Once they fail, the rest is on you,” one former official said, underscoring the risk that missiles and proxy actions could quickly expand a limited U.S. attack.

Wald warned that even a successful military phase could not eliminate political uncertainty.

“Bombing Iran will not create regime change,” he said, emphasizing that air power can weaken capacity but cannot guarantee a stable political outcome.

Beyond the immediate change, the economic consequences could be just as significant, officials say. About a fifth of the world’s oil supplies pass through the Strait of Hormuz, and even limited disruption could send global energy markets sharply higher.

For Washington, the strategic calculus extends beyond the Middle East. China remains the main long-term rival, with the war in Ukraine already consuming significant resources.

A sustainable regional conflict would utilize naval assets and air defense systems, which planners should also consider for possible future contingencies in Taiwan or North Korea.

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Officials familiar with internal negotiations say President Donald Trump is seeking a high degree of confidence in how a potential situation with Iran will play out; This is a standard that becomes difficult to meet in scenarios involving escalation and political ramifications.

Fox News Digital has reached out to the White House for comment.

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