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Lockheed Martin and GM Defense speed production of PAC-3 MSE components in under a month

Sienna Parker by Sienna Parker
September 17 2026
in Industry
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Lockheed Martin and GM Defense speed production of PAC-3 MSE components in under a month
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Lockheed Martin received the first delivery of mission-critical PAC-3 Missile Segment Enhancement (MSE) interceptor housing components from GM Defense just 22 days after the two companies signed a formal contract, an unusually fast turnaround for parts that can take months to years to produce.

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The companies framed the early delivery as evidence that combining commercial manufacturing practices with defense production can accelerate output, bolster the U.S. industrial base and advance the “Arsenal of Freedom” effort.

“This extraordinary 22‑day turnaround underscores Lockheed Martin’s relentless focus on execution – delivering for our troops faster, with greater capacity,” said Tim Cahill, president, Lockheed Martin Missiles and Fire Control. “Our partnership with GM Defense is a concrete example of how we’re merging world-class commercial manufacturing with defense supply chain and production practices and rapidly translating that into battlefield readiness for the United States.”

“We’re proud to support production of this country’s critical defense capabilities. Our partnership with Lockheed Martin leverages GM’s precision-fabrication expertise and ability to manufacture with quality at scale. We look forward to putting these strengths to work in support of our nation’s security and the people who protect it,” Stephen duMont, President and CEO, GM Defense.

Lockheed Martin said it is moving with wartime urgency to deliver the Arsenal of Freedom, partnering with Department of War leadership to leverage commercial-style contracts for PAC-3 MSE, THAAD and PrSM. The company plans $8–9 billion in investments to scale munitions production, including new buildings, site expansions and thousands of jobs at more than 20 locations across the United States, and expects production and warehousing space for munitions to grow by nearly 50% after planned expansions.

Contract details include an Aug. 6 signing and an Aug. 28 delivery of the initial PAC-3 MSE housing components. GM Defense applied advanced casting and machining capabilities to meet defense specifications. Both companies plan to extend the partnership across munitions programs and expand capabilities for future defense systems to protect the United States and its allies.

Tags: Department of WarLockheed MartinPAC-3 Missile Segment EnhancementPAC-3 MSEPrSMTHAADTim Cahill
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Sienna Parker

Sienna Parker

Sienna Parker is a journalist reporting on major corporations in the defense industry and key transactions shaping the sector. She focuses on industry movements, mergers and the business of defence.

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