Pentagon triples Patriot, quadruples THAAD production after inventory depletion

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The Defense Department on Monday announced framework agreements with Northrop Grumman and Lockheed Martin aimed at expanding production of critical Patriot and Terminal High Altitude Area Defense, or THAAD, interceptor components as the military seeks to replenish missile inventories through expanded, long-term production capacity.

The agreements come as demand for Patriot and THAAD interceptors has increased following conflicts in Iran and Ukraine that strained U.S. missile inventories . They also come days after a Center for Strategic and International Studies analysis estimated the United States had depleted roughly two-thirds of its pre-war Patriot interceptor inventory during the conflict with Iran.

Defense officials said the agreements are intended to support the department’s long-term procurement objective of nearly 14,000 Patriot and THAAD interceptors by providing sustained demand signals to critical suppliers throughout the defense industrial base. The initiative is designed to triple production capacity for Patriot Advanced Capability-3, or PAC-3, Missile Segment Enhancement interceptors and quadruple production capacity for THAAD interceptors.

DoD said it will work directly with key component suppliers instead of relying solely on prime contractors, encouraging investment in advanced tooling, facility modernization and workforce development needed to sustain higher production rates.

“Building the Arsenal of Freedom requires robust, dynamic supply chains at every level of the industrial base,” Michael P. Duffey, under secretary of defense for acquisition and sustainment, said in a statement. “Framework agreements with munition components suppliers like Northrop Grumman are vital to accelerating the tripling of PAC-3 and quadrupling of THAAD interceptor production.”

The agreements establish a second source for Patriot solid rocket motors, expand production of ignition safety devices for PAC-3 interceptors and increase manufacturing capacity for key THAAD structural components, including mid-body shells, muzzle covers and rail car assemblies.

The initiative is part of the Defense Department’s Acquisition Transformation Strategy and was developed in coordination with the Missile Defense Agency, the Munitions Acceleration Council and the Economic Defense Unit to strengthen the resilience of the missile production supply chain.