Solid Rocket Motors for Missile Defense

Why It Matters

A reliable SRM supply chain is critical for U.S. missile‑defense readiness; without stable production and diversified suppliers, capability gaps could emerge as geopolitical tensions rise.

Key Takeaways

• Pentagon's munitions acceleration council targets solid rocket motor surge.
• Hazardous materials and strict regulations limit production scalability.
• Dual‑supplier duopoly hampers competition and innovation in SRM market.
• Multi‑year contracts and stable demand signals encourage capacity investment.
• Allied foreign sales could boost demand but face ITAR hurdles.

Summary

The CSIS panel released a new report on solid‑rocket motors (SRMs) as a cornerstone of the Pentagon’s missile‑defense munitions acceleration effort. With recent conflicts draining U.S. stockpiles, the Department of Defense is seeking to expand SRM output through a dedicated council, new funding streams, and a re‑examination of acquisition practices. Key findings highlight the unique challenges of SRM production: handling energetic, hazardous propellants demands extensive safety and quality regulations, while modern missiles involve complex, multi‑tiered supply chains that resemble a diamond rather than a pyramid. The industrial base is dominated by two legacy suppliers, creating a de‑facto duopoly that limits competition, innovation, and the ability to maintain excess capacity without direct government subsidies. Demand volatility, reliance on supplemental appropriations and reconciliation bills, and fragmented visibility into lower‑tier suppliers further exacerbate capacity constraints. Panelists underscored concrete examples: Wes Rumba noted that no single “silver bullet” will solve the problem, emphasizing a mix of revised qualification standards, multi‑year procurements, and direct‑to‑supplier funding such as the Defense Production Act. Chris McKenzie described the duopoly’s impact on innovation and pointed to a wave of ten‑plus new entrants leveraging advanced manufacturing and private capital, though the Pentagon does not need that many providers. The discussion also touched on allied sales, noting that foreign‑military‑sales and ITAR processes could expand demand but add regulatory complexity. The report concludes that sustained, predictable procurement signals and strategic partnerships are essential to avoid cyclical bottlenecks. Multi‑year contracts, streamlined testing requirements, and targeted investment in both tier‑2 and tier‑3 suppliers can build a resilient SRM industrial base, ensuring the United States can meet current and future missile‑defense requirements.

Original Description

The CSIS Missile Defense Project is pleased to roll out our new report, Solid Rocket Motors for Missile Defense: Challenges and Opportunities for Expanding the Industrial Base.

The reliance on missiles as weapons of choice, aggravated by the expenditure of key munitions in Operation Epic Fury, has created an urgent need to accelerate and scale the production of both offensive and defensive missiles. Using the industrial base for solid rocket motors (SRMs) and their subcomponents as a case study, the report identifies the key challenges and opportunities for scaling air and missile defense (AMD) interceptor supply chains.

The report's authors, Wes Rumbaugh, fellow with the CSIS Missile Defense Project, and Dr. Tom Karako, director of the CSIS Missile Defense Project, will highlight these considerations in discussion with Dr. Christine Michienzi, non-resident senior associate with the CSIS Missile Defense Project.

This report was supported by RTX, X-Bow, Ursa Major, and by general support to CSIS.

---------------------------------------------

A nonpartisan institution, CSIS is the top national security think tank in the world.

Visit https://www.csis.org to find more of our work as we bring bipartisan solutions to the world's greatest challenges.

Want to see more videos and virtual events? Subscribe to this channel and turn on notifications: https://cs.is/2dCfTve

Follow CSIS on:

• Twitter: https://twitter.com/csis

• Facebook: https://facebook.com/CSIS.org

• Instagram: https://instagram.com/csis/