Market Overview
The composites in the United States defense market covers advanced polymer matrix composites embedded throughout military hardware, including fifth-generation fighter jets, unmanned aerial vehicles, naval vessels, armored ground vehicles, and personal protection equipment. North America represents the largest regional market globally, with defense demand forming a substantial portion of the broader North American composites industry that is itself valued at tens of billions of dollars and expanding at a mid-single-digit pace.
- •The U.S. market is among the most precisely tracked defense composites markets worldwide, though reported valuation figures vary across research firms due to differences in scope and methodology.
- •Composites are valued in defense for their superior strength-to-weight ratio, corrosion resistance, ballistic protection, and stealth properties compared to traditional metals.
- •Government defense budgets and long-term procurement programs are the primary determinants of market size and trajectory.
Growth Drivers
Modernization of aging military aircraft fleets and the production of new platforms, such as the F-35 Lightning II, B-21 Raider, and next-generation drones, heavily rely on composite materials to achieve performance and efficiency targets. The U.S. Department of Defense's sustained budget increases, particularly for airpower and naval capabilities, directly translate into higher composite demand. Additional tailwinds include the push for fuel-efficient military platforms, the replacement of legacy aluminum and steel airframe structures, and growing recognition of composites' role in reducing lifecycle maintenance costs.
- •The production ramp-up of fifth-generation and next-generation military aircraft is a major near-term catalyst, as modern airframes commonly incorporate 30-50% composite content by weight.
- •Rising global geopolitical tensions have led to increased defense spending across NATO members, expanding procurement pipelines for composite-intensive platforms.
- •Advances in thermoplastic composite technologies and automated manufacturing processes are lowering unit costs and expanding feasible use cases in defense applications.
Segmentation and Regional Analysis
The U.S. defense composites market is typically segmented by fiber type, carbon fiber dominating high-performance military applications, glass fiber in secondary structures, and aramid fiber in ballistic protection, as well as by resin system, including thermosets and increasingly thermoplastics. Aerospace and defense as a combined end-use segment commands the largest share, followed by ground vehicle armor and naval applications. North America as a region holds a dominant position globally in defense composites, driven by the concentration of major aerospace and defense primes, established domestic supply chains, and the largest defense budget in the world.
- •North America is the leading regional market for defense composites, with one estimate placing its share at roughly 39% of the global defense composites market.
- •Carbon fiber composites represent the highest-value segment within U.S. military applications, particularly in airframe structures and missile components.
- •The broader U.S. composites market, encompassing all industries, is projected to grow at a compound annual rate significantly higher than the defense-specific segment, driven by automotive and wind energy demand.
Trends and Outlook
What are the recent trends and outlook?
The market outlook through the early 2030s remains broadly positive, underpinned by expected continuity in U.S. defense modernization priorities and the structural shift toward composite-intensive platform designs. Key emerging trends include the adoption of thermoplastic composites for faster manufacturing and improved recyclability, the integration of automated fiber placement and out-of-autoclave curing processes to reduce production costs, and growing interest in additively manufactured composite components for rapid prototyping and sustainment. Supply chain resilience and domestic manufacturing incentives, including those under U.S. industrial policy frameworks, are expected to influence investment and capacity expansion decisions across the industry.
- •Thermoplastic composites are gaining traction in defense applications due to shorter processing times, improved damage tolerance, and potential for recyclability at end of life.
- •Automation in composite layup and curing is expected to drive down per-unit costs and expand the volume of composite parts produced for military programs.
- •Domestic sourcing mandates and supply chain security initiatives are encouraging reshoring of carbon fiber and advanced materials production within the United States.
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Connect to an analyst →Market size and forecast are Claight Analysis, informed by public research and industry data. Historical years before 2025 and all forecast years are Claight estimates at the stated CAGR. Retrieved 2026.