The ongoing conflict in Iran has intensified a shortage of missile-defense systems, impacting the U.S. and its allies, including Ukraine and Taiwan. This situation is expected to persist for several years as the conflict depletes existing stockpiles faster than they can be replenished by U.S. manufacturers.
According to a report from the Center for Strategic and International Studies (CSIS), the U.S. has utilized a significant number of interceptors from systems like Patriot and THAAD in the Middle East, with stockpiles projected to remain low until at least 2029. In fiscal year 2026, the U.S. received only 172 Patriot interceptors while over 1,000 were used in the Iran conflict. The Pentagon maintains that it has sufficient capabilities to defend the homeland and conduct operations in Iran, but allies reliant on U.S. weaponry face challenges.
Ukrainian President Volodymyr Zelensky has urgently requested interceptors from the U.S. following recent missile strikes on Kyiv, emphasizing the reliance on U.S. systems for defense against Russian missile attacks. Meanwhile, Taiwan is preparing for potential conflict with China amid a backlog of U.S. arms shipments valued at nearly $30 billion, which includes high-priority Patriot interceptors.
In response to these shortages, the Defense Department is increasing production rates for interceptors, including a deal with Lockheed Martin to raise THAAD production from 96 to 400 units annually and increase Patriot PAC-3 MSE interceptor production from 600 to 2,000 units. The Pentagon is also exploring alternatives to high-cost interceptors to address the supply issues.
Overall, the evolving landscape of missile defense procurement and production highlights the critical need for effective air defense systems amid ongoing global conflicts.