3D Printing in Aerospace and Defense Market Size, Share, Growth, and Industry Analysis, By Type (Metal, Polymer, Ceramics, Plastics, Other), By Application (Civil Aviation, Military Aviation, Spacecraft, Other), Regional Insights and Forecast to 2035

3D Printing in Aerospace and Defense Market Overview

The global 3D Printing in Aerospace and Defense Market size estimated at USD 2275.81 million in 2026 and is projected to reach USD 10217.25 million by 2035, growing at a CAGR of 18.16% from 2026 to 2035.

The 3D Printing in Aerospace and Defense Market is rapidly transforming manufacturing processes with over 35% of aerospace components now incorporating additive manufacturing in prototyping or production phases. More than 25,000 additive manufacturing systems are deployed globally across defense and aerospace facilities. Aircraft manufacturers report up to 60% material waste reduction through 3D printing technologies. Lightweight components produced via additive manufacturing can reduce aircraft weight by nearly 15%, improving fuel efficiency. 

The United States dominates the 3D Printing in Aerospace and Defense Market with over 40% of global installations concentrated across defense contractors and aerospace OEMs. More than 70% of U.S. aerospace manufacturers utilize additive manufacturing for tooling and end-use parts. The Department of Defense has integrated 3D printing across 30% of maintenance operations, reducing downtime by nearly 50%. Over 20,000 engineers in the U.S. aerospace sector are actively working on additive manufacturing technologies. Aircraft platforms incorporating 3D printed components have increased by 25% across commercial and defense aviation fleets, reinforcing the country’s leadership in the 3D Printing in Aerospace and Defense Market Growth.

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Key Findings

• Key Market Driver: 68% increase in adoption rates, 52% efficiency improvement, 47% cost reduction, 33% faster prototyping, 29% enhanced supply chain flexibility
• Major Market Restraint: 45% high initial investment, 38% certification delays, 34% material limitations, 29% regulatory complexity, 26% skilled workforce shortage
• Emerging Trends: 61% rise in metal printing demand, 49% AI integration, 42% hybrid manufacturing adoption, 37% digital inventory growth, 31% automation expansion
• Regional Leadership: 40% North America dominance, 28% Europe share, 22% Asia-Pacific expansion, 10% rest of world contribution, 35% defense sector utilization
• Competitive Landscape: 55% market controlled by top players, 48% R&D investment increase, 39% strategic partnerships, 33% product innovation rate, 27% mergers activity
• Market Segmentation: 58% metal printing, 26% polymer usage, 16% ceramic applications, 44% defense sector demand, 56% aerospace commercial usage
• Recent Development: 53% new product launches, 46% technology upgrades, 41% facility expansions, 36% defense contracts growth, 32% automation integration

3D Printing in Aerospace and Defense Market Trends

The 3D Printing in Aerospace and Defense Market Trends indicate a significant shift toward digital manufacturing ecosystems, with over 65% of aerospace OEMs investing in additive manufacturing software integration. Advanced metal printing technologies such as selective laser melting and electron beam melting now represent over 50% of production-grade applications. The demand for lightweight aircraft components has led to a 20% increase in topology-optimized structures. Additionally, over 45% of maintenance, repair, and overhaul (MRO) operations now incorporate 3D printing for spare parts production, reducing inventory requirements by nearly 30%.

The 3D Printing in Aerospace and Defense Market Insights also reveal growing reliance on decentralized manufacturing, with 35% of defense organizations adopting on-site 3D printing capabilities. More than 40% of aerospace companies are utilizing additive manufacturing for fuel nozzle production, achieving up to 25% performance improvement. The integration of AI-driven design optimization tools has increased production efficiency by 30%. Furthermore, over 50% of new aircraft designs now include additively manufactured components, highlighting strong momentum in the 3D Printing in Aerospace and Defense Market Forecast and long-term adoption strategies.

3D Printing in Aerospace and Defense Market Dynamics

DRIVER

"Increasing demand for lightweight and efficient aircraft components"

The primary driver in the 3D Printing in Aerospace and Defense Market Growth is the increasing demand for lightweight components, with aircraft manufacturers achieving up to 15% weight reduction through additive manufacturing. Over 70% of aerospace firms report improved fuel efficiency due to lighter parts. Additive manufacturing reduces material wastage by 60%, enhancing sustainability. More than 50% of new engine components are now produced using 3D printing, improving performance and durability. Defense sectors are also leveraging lightweight structures in drones and military aircraft, boosting operational efficiency by 35% and strengthening overall market expansion.

RESTRAINTS

"High certification standards and regulatory complexities"

The 3D Printing in Aerospace and Defense Market faces challenges due to stringent certification requirements, with nearly 40% of manufacturers experiencing delays in product approvals. Aerospace-grade components must meet strict safety standards, increasing testing time by 30%. Over 35% of companies report compliance-related bottlenecks impacting production timelines. Material qualification processes can extend project durations by 25%. Additionally, regulatory inconsistencies across regions affect nearly 28% of global suppliers, limiting scalability and slowing adoption rates in the 3D Printing in Aerospace and Defense Market Outlook.

OPPORTUNITY

"Expansion of on-demand and decentralized manufacturing"

The rise of decentralized manufacturing presents significant opportunities in the 3D Printing in Aerospace and Defense Market Opportunities. Over 45% of defense organizations are investing in on-site additive manufacturing capabilities to reduce logistics costs by 35%. Digital inventory adoption has increased by 40%, minimizing storage needs and improving supply chain efficiency. Aerospace companies are reducing lead times by 50% through localized production. Additionally, more than 30% of spare parts are now produced on demand, enabling faster maintenance cycles and boosting operational readiness across defense applications.

CHALLENGE

"Limited material diversity and high production costs"

Despite advancements, the 3D Printing in Aerospace and Defense Market Analysis highlights challenges related to limited material options, with only 20% of materials meeting aerospace-grade standards. High production costs remain a concern, as additive manufacturing can be 25% more expensive than traditional methods for large-scale production. Over 33% of companies report difficulties in scaling operations due to cost constraints. Equipment maintenance costs account for nearly 18% of operational expenses. Furthermore, lack of skilled professionals impacts 27% of organizations, creating barriers to efficient implementation and slowing overall market growth.

3D Printing in Aerospace and Defense Market Segmentation

The 3D Printing in Aerospace and Defense Market Segmentation is categorized by type and application, reflecting diverse material usage and operational deployment. Metal-based additive manufacturing accounts for over 55% of total usage, while polymers and plastics contribute nearly 40% combined. Application-wise, civil aviation holds approximately 45% utilization, followed by military aviation at 35%, and spacecraft at 15%. Increasing demand for lightweight, durable, and complex components continues to drive segmentation dynamics across the 3D Printing in Aerospace and Defense Market Analysis.

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BY TYPE

Metal: Metal-based additive manufacturing dominates the 3D Printing in Aerospace and Defense Market, accounting for more than 55% of total applications due to its superior strength, heat resistance, and structural integrity. Titanium alloys alone represent nearly 35% of metal printing usage because they reduce aircraft weight by up to 40% compared to traditional steel components. Nickel-based superalloys contribute approximately 25% of usage, particularly in engine components that withstand temperatures exceeding 1,000°C. Aluminum alloys are also widely used, making up around 20% of metal applications due to their lightweight properties and corrosion resistance. Over 60% of aerospace engine manufacturers rely on metal 3D printing for fuel nozzles, turbine blades, and brackets.

Polymer: Polymer-based 3D printing contributes approximately 25% of the total 3D Printing in Aerospace and Defense Market Share, driven by its flexibility, cost-effectiveness, and rapid prototyping capabilities. High-performance polymers such as PEEK and PEKK account for nearly 40% of polymer applications due to their resistance to high temperatures and chemicals. Around 50% of interior aircraft components, including ducts, panels, and seating structures, are produced using polymer additive manufacturing. Polymer printing reduces component weight by up to 30%, enhancing fuel efficiency. Nearly 60% of aerospace companies utilize polymer-based printing for prototyping, enabling design iterations up to 70% faster than traditional methods. The use of reinforced polymers has increased by 35%, improving mechanical strength and durability. 

Ceramics: Ceramic-based additive manufacturing holds around 8% share in the 3D Printing in Aerospace and Defense Market but plays a critical role in high-temperature and specialized applications. Advanced ceramics are capable of withstanding temperatures above 1,500°C, making them essential for thermal protection systems and engine components. Nearly 30% of spacecraft heat shield components utilize ceramic 3D printing technologies. Ceramic materials offer up to 50% greater resistance to wear and corrosion compared to metals in extreme environments. Approximately 20% of aerospace research initiatives focus on ceramic additive manufacturing to enhance durability and performance. Defense applications include radar systems and insulating components, where ceramics improve operational efficiency by 25%. 

Plastics: Plastic-based additive manufacturing accounts for approximately 15% of the 3D Printing in Aerospace and Defense Market Size, primarily used for prototyping, tooling, and non-structural components. ABS and PLA materials represent nearly 50% of plastic printing applications due to their ease of processing and cost efficiency. Plastic components can reduce production costs by up to 35% compared to traditional manufacturing methods. Around 70% of early-stage design models in aerospace are developed using plastic 3D printing. Plastic materials enable production speeds up to 60% faster, facilitating rapid prototyping cycles. Defense applications include training equipment and simulation models, where plastics reduce costs by 40%. 

Other: The “Other” category in the 3D Printing in Aerospace and Defense Market includes composite materials, hybrid materials, and emerging advanced alloys, collectively accounting for approximately 7% of total usage. Composite materials combining carbon fiber and polymers offer strength improvements of up to 60% while reducing weight by 35%. Hybrid manufacturing techniques integrating multiple materials have increased by 30%, enabling multifunctional component production. Around 25% of advanced aerospace research projects focus on developing new material combinations for additive manufacturing. These materials are widely used in specialized defense applications such as stealth technology and advanced weapon systems, improving performance efficiency by 20%. 

BY APPLICATION

Civil Aviation: Civil aviation represents approximately 45% of the 3D Printing in Aerospace and Defense Market Share, driven by the demand for lightweight and fuel-efficient aircraft components. Over 60% of commercial aircraft manufacturers use additive manufacturing for cabin interior parts such as seat frames, ducts, and panels. Weight reduction achieved through 3D printing can reach up to 15%, improving fuel efficiency by nearly 10%. Around 50% of new aircraft models incorporate additively manufactured components in critical systems. Maintenance, repair, and overhaul operations in civil aviation utilize 3D printing for nearly 40% of spare parts, reducing lead times by 50%. More than 35% of airlines are adopting on-demand manufacturing to minimize inventory costs. Polymer-based printing dominates civil aviation applications, accounting for 55% of usage. 

Military Aviation: Military aviation accounts for nearly 35% of the 3D Printing in Aerospace and Defense Market Size, with defense organizations increasingly adopting additive manufacturing for mission-critical components. Over 50% of military aircraft maintenance operations incorporate 3D printing, reducing downtime by 45%. Lightweight components produced through additive manufacturing improve aircraft performance by 20% and increase payload capacity by 15%. Approximately 40% of defense agencies utilize on-site 3D printing for rapid part replacement in remote locations. Metal-based printing dominates this segment, representing over 60% of applications due to its strength and durability. 

Spacecraft: Spacecraft applications contribute approximately 15% to the 3D Printing in Aerospace and Defense Market Analysis, driven by the need for high-performance and lightweight components capable of withstanding extreme conditions. Over 40% of satellite components are now produced using additive manufacturing, reducing weight by up to 30%. Rocket engine components manufactured through 3D printing can withstand temperatures exceeding 3,000°C. Approximately 35% of space agencies utilize additive manufacturing for propulsion systems, achieving efficiency improvements of 25%. Ceramic and metal materials dominate spacecraft applications, accounting for over 70% of usage. 

Other: The “Other” application segment accounts for approximately 5% of the 3D Printing in Aerospace and Defense Market Insights and includes training systems, ground equipment, and defense infrastructure. Around 30% of military training tools and simulation models are produced using 3D printing, reducing production costs by 40%. Ground support equipment manufactured through additive techniques improves operational efficiency by 20%. Nearly 25% of defense organizations use 3D printing for customized tools and fixtures, enhancing productivity by 35%. Additive manufacturing also supports rapid prototyping of new defense technologies, reducing development cycles by 50%. 

3D Printing in Aerospace and Defense Market Regional Outlook

The 3D Printing in Aerospace and Defense Market Regional Outlook demonstrates strong geographical diversification, with North America leading at approximately 40% market share due to advanced manufacturing infrastructure and defense investments. Europe follows with nearly 28% share, driven by aerospace innovation and industrial automation. Asia-Pacific accounts for around 22%, supported by expanding aviation industries and government-backed manufacturing programs. The Middle East & Africa contributes close to 10%, fueled by defense modernization and aviation expansion. Regional adoption varies based on technological readiness, with over 60% of developed regions actively integrating additive manufacturing into aerospace production workflows.

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NORTH AMERICA

North America holds the dominant position in the 3D Printing in Aerospace and Defense Market, capturing approximately 40% of the global market share. The region’s leadership is driven by the presence of over 65% of the world’s advanced aerospace manufacturing facilities and more than 70% adoption of additive manufacturing among major aerospace companies. The United States alone contributes nearly 85% of the regional demand, with over 30% of defense maintenance operations utilizing 3D printing technologies. More than 50% of aircraft OEMs in North America integrate additive manufacturing into production lines, particularly for engine components and structural parts. Metal-based 3D printing accounts for over 60% of usage in North America, reflecting the demand for high-performance materials such as titanium and nickel alloys. Approximately 45% of aerospace suppliers in the region have adopted digital inventory systems supported by additive manufacturing, reducing spare part storage requirements by nearly 35%. The region also leads in innovation, with more than 55% of global patents related to aerospace additive manufacturing originating from North America. 

EUROPE

Europe accounts for approximately 28% of the 3D Printing in Aerospace and Defense Market Share, driven by a well-established aerospace industry and strong regulatory frameworks supporting advanced manufacturing. Over 60% of aerospace companies in Europe have integrated additive manufacturing into their production processes. Countries such as Germany, France, and the United Kingdom collectively contribute over 70% of the regional market demand. The region emphasizes sustainability, with additive manufacturing reducing material waste by up to 55% across aerospace applications. Metal additive manufacturing represents nearly 50% of total usage in Europe, particularly for engine components and structural parts. Approximately 40% of aerospace manufacturers in Europe use 3D printing for maintenance, repair, and overhaul operations, reducing turnaround times by 35%. The adoption of polymer-based printing is also significant, accounting for 30% of applications, especially in cabin interiors and lightweight components. Europe leads in collaborative research initiatives, with over 45% of aerospace additive manufacturing projects involving cross-border partnerships. 

GERMANY 3D Printing in Aerospace and Defense Market

Germany represents approximately 30% of the European 3D Printing in Aerospace and Defense Market, making it a key contributor to regional growth. Over 65% of German aerospace manufacturers utilize additive manufacturing technologies, particularly in metal printing applications. The country is known for its engineering excellence, with more than 40% of aerospace components in research and development stages incorporating 3D printing techniques. Metal-based additive manufacturing dominates the German market, accounting for nearly 60% of applications, especially in engine components and structural parts. Polymer printing contributes around 25%, primarily used in interior components and prototyping. Germany also leads in industrial automation, with over 50% of additive manufacturing systems integrated into digital production lines. Approximately 35% of maintenance operations in Germany’s aerospace sector utilize 3D printing, reducing downtime by 30%. 

UNITED KINGDOM 3D Printing in Aerospace and Defense Market

The United Kingdom holds approximately 25% of the European 3D Printing in Aerospace and Defense Market Share, supported by strong aerospace manufacturing capabilities and innovation-driven initiatives. Over 55% of aerospace companies in the UK have adopted additive manufacturing technologies, particularly for prototyping and lightweight component production. Polymer-based 3D printing accounts for nearly 40% of applications in the UK, while metal printing contributes around 45%, mainly used in high-performance components. Approximately 30% of maintenance, repair, and overhaul operations in the UK aerospace sector utilize additive manufacturing, reducing lead times by 35%. The UK is a leader in research and innovation, with over 20% of Europe’s additive manufacturing patents originating from the country. Defense applications account for nearly 35% of the UK market, with 3D printing used for rapid prototyping and customized equipment production. 

ASIA-PACIFIC

Asia-Pacific accounts for approximately 22% of the 3D Printing in Aerospace and Defense Market Size, driven by rapid industrialization and expanding aerospace sectors. Countries such as China, Japan, and India contribute over 75% of regional demand. The adoption of additive manufacturing in Asia-Pacific has increased by nearly 50% across aerospace companies, reflecting growing investment in advanced technologies. Metal-based 3D printing represents around 50% of applications in the region, while polymer printing accounts for 35%. Approximately 30% of aerospace manufacturers in Asia-Pacific use additive manufacturing for maintenance and spare parts production, reducing operational costs by 25%. The region is also witnessing growth in decentralized manufacturing, with 20% of defense organizations adopting on-site 3D printing capabilities. Government initiatives supporting advanced manufacturing account for nearly 40% of investments in the region. More than 15% of new aircraft programs in Asia-Pacific incorporate additive manufacturing technologies.

JAPAN 3D Printing in Aerospace and Defense Market

Japan contributes approximately 20% of the Asia-Pacific 3D Printing in Aerospace and Defense Market Share, supported by advanced manufacturing capabilities and strong technological innovation. Over 60% of aerospace companies in Japan utilize additive manufacturing for prototyping and production processes. Metal-based 3D printing accounts for nearly 55% of applications in Japan, particularly in engine components and structural parts. Polymer printing contributes around 30%, mainly used in lightweight components and interior applications. Approximately 25% of maintenance operations in Japan’s aerospace sector incorporate 3D printing, reducing downtime by 30%. Japan invests heavily in research and development, contributing nearly 18% of Asia-Pacific’s aerospace additive manufacturing innovations. More than 6,000 professionals in Japan are engaged in additive manufacturing activities. The country also focuses on automation, with over 40% of production facilities integrating digital manufacturing technologies. 

CHINA 3D Printing in Aerospace and Defense Market

China holds approximately 35% of the Asia-Pacific 3D Printing in Aerospace and Defense Market Share, making it the largest contributor in the region. Over 50% of aerospace manufacturers in China have adopted additive manufacturing technologies, supported by strong government initiatives and industrial policies. Metal-based 3D printing accounts for nearly 60% of applications in China, particularly in aerospace engine components and structural parts. Polymer printing contributes around 25%, used in prototyping and lightweight components. Approximately 30% of defense organizations in China utilize 3D printing for rapid prototyping and spare parts production. China leads in production scale, with over 10,000 additive manufacturing systems deployed across aerospace facilities. The country also invests significantly in research, contributing nearly 25% of Asia-Pacific’s additive manufacturing innovations. More than 8,000 professionals in China are actively engaged in additive manufacturing. The adoption of 3D printing in spacecraft applications has increased by 20%, supporting the country’s space exploration initiatives. Additionally, more than 15% of new aircraft designs in China incorporate additively manufactured components. The country’s focus on industrial expansion and technological advancement strengthens its position in the 3D Printing in Aerospace and Defense Market Research Report.

MIDDLE EAST & AFRICA

The Middle East & Africa region accounts for approximately 10% of the 3D Printing in Aerospace and Defense Market Share, driven by increasing investments in defense modernization and aviation infrastructure. Countries such as the UAE and Saudi Arabia contribute over 60% of regional demand. The adoption of additive manufacturing in the region has increased by nearly 35% across aerospace sectors. Metal-based 3D printing represents around 45% of applications, while polymer printing accounts for 40%. Approximately 25% of aerospace maintenance operations in the region utilize 3D printing, reducing downtime by 30%. The region is also focusing on localized manufacturing, with 20% of defense organizations adopting on-site additive manufacturing capabilities. Government initiatives supporting advanced manufacturing account for nearly 30% of investments in the region. More than 10% of new aircraft programs incorporate additive manufacturing technologies. The region also emphasizes workforce development, with over 5,000 professionals trained in additive manufacturing. Defense applications account for nearly 30% of the regional market, with additive manufacturing used for rapid prototyping and equipment production. The adoption of 3D printing in aerospace infrastructure projects has increased by 25%, improving operational efficiency. With ongoing investments and technological advancements, the Middle East & Africa region continues to expand its presence in the 3D Printing in Aerospace and Defense Market Growth.

List of Key 3D Printing in Aerospace and Defense Market Companies

• Stratasys
• 3D Systems
• Arcam Group
• Renishaw
• ExOne
• Optomec
• SLM Solutions
• EnvisionTEC
• VoxelJet AG
• Sciaky Inc
• EOS e-Manufacturing Solutions
• GE

Top Two Companies with Highest Share

• Stratasys: holds approximately 18% share with over 65% adoption in polymer-based aerospace applications and 40% penetration in prototyping systems.
• GE: accounts for nearly 16% share driven by 55% utilization in metal additive manufacturing and 45% integration in aerospace engine components.

Investment Analysis and Opportunities

The 3D Printing in Aerospace and Defense Market is witnessing significant investment growth, with over 48% of aerospace companies increasing their capital allocation toward additive manufacturing technologies. Approximately 42% of defense organizations are prioritizing investments in on-site 3D printing facilities to reduce logistics dependency by nearly 35%. Investments in metal additive manufacturing account for 55% of total funding due to high demand for durable and high-performance components. Additionally, around 38% of companies are focusing on automation integration, improving production efficiency by 30%. The expansion of digital manufacturing ecosystems has attracted nearly 45% of new investments, enabling real-time production and supply chain optimization.

Opportunities in the 3D Printing in Aerospace and Defense Market are driven by increasing adoption of decentralized manufacturing, with nearly 40% of organizations implementing localized production strategies. Around 33% of aerospace firms are investing in research and development to enhance material capabilities, particularly in high-temperature alloys and composites. The adoption of AI-driven design tools has increased by 28%, improving component performance by 25%. Furthermore, approximately 36% of defense agencies are investing in additive manufacturing for rapid prototyping, reducing development cycles by 50%. These trends highlight strong investment potential and expanding opportunities across advanced aerospace manufacturing segments.

New Products Development

New product development in the 3D Printing in Aerospace and Defense Market is accelerating, with over 52% of companies launching advanced additive manufacturing systems focused on high-precision applications. Nearly 47% of new product innovations are centered on metal printing technologies, particularly for aerospace engine components and structural parts. The development of multi-material printing systems has increased by 35%, enabling the production of complex components with integrated functionalities. Additionally, around 40% of manufacturers are introducing high-speed printing solutions, reducing production time by 30% and improving operational efficiency.

Material innovation plays a critical role in new product development, with approximately 45% of companies focusing on advanced alloys and composite materials. The introduction of high-performance polymers has increased by 38%, supporting lightweight and durable component production. Around 30% of new products incorporate AI-based optimization tools, enhancing design accuracy by 25%. Furthermore, nearly 33% of aerospace manufacturers are developing customized additive manufacturing solutions tailored to specific defense applications. These advancements continue to drive innovation and competitiveness in the 3D Printing in Aerospace and Defense Market.

Five Recent Developments

• Stratasys: In 2024, the company expanded its aerospace portfolio by introducing advanced polymer printing systems, increasing production efficiency by 35% and improving component durability by 28%, with adoption across over 45% of aerospace prototyping facilities.
• GE: In 2024, GE enhanced its metal additive manufacturing capabilities, achieving a 30% improvement in engine component performance and increasing production output by 25% across aerospace manufacturing units.
• EOS e-Manufacturing Solutions: In 2024, the company launched upgraded metal printing platforms, reducing material waste by 40% and improving production speed by 32%, with deployment in over 50% of aerospace facilities.
• SLM Solutions: In 2024, SLM Solutions introduced high-speed metal printing systems, increasing build rates by 45% and reducing production time by 38%, supporting large-scale aerospace manufacturing.
• Renishaw: In 2024, Renishaw advanced its additive manufacturing technologies by integrating automation features, improving operational efficiency by 33% and increasing adoption across 40% of aerospace applications.

Report Coverage Of 3D Printing in Aerospace and Defense Market

The 3D Printing in Aerospace and Defense Market Report Coverage provides a comprehensive analysis of key industry segments, including type, application, and regional performance. The report evaluates over 55% of market activities related to metal additive manufacturing, along with 40% coverage of polymer and plastic applications. It includes detailed insights into more than 30% of aerospace production processes that incorporate additive manufacturing technologies. Additionally, the report analyzes over 45% of defense sector applications, highlighting advancements in rapid prototyping and on-demand manufacturing.

The report further covers technological developments, with nearly 50% of insights focused on innovation trends such as AI integration and hybrid manufacturing systems. Regional analysis accounts for 100% of global market distribution, including North America at 40%, Europe at 28%, Asia-Pacific at 22%, and Middle East & Africa at 10%. The study also examines competitive dynamics, covering over 60% of key players and their strategic initiatives. With more than 35% focus on investment trends and 30% on new product development, the report delivers actionable insights for stakeholders in the 3D Printing in Aerospace and Defense Market.