Defense & Rare Earths: Investing in the Future of National Security

The convergence of national security and strategic investments in rare earth elements (REEs) is becoming increasingly critical. In 2025, global tensions and technological advancements highlight the irreplaceable role of REEs in defense applications. As governments and private sectors recognize the strategic importance of these materials, understanding the dynamics of REE investments is crucial for securing a nation’s future.

The Indispensable Role of Rare Earths in Modern Defense

Rare earth elements, a group of 17 metallic elements, possess unique magnetic, luminescent, and conductive properties that make them essential in various advanced technologies. These elements are not as “rare” as the name suggests, but economically viable concentrations are geographically limited, making their supply chain a subject of national security concern.

REEs are integral to the functionality of numerous defense systems:

Magnets: Permanent magnets, particularly those based on neodymium-iron-boron (NdFeB) and samarium-cobalt (SmCo), are the backbone of modern defense equipment, providing unmatched magnetic strength and thermal stability.
Missile Guidance: REEs are critical in missile guidance systems, enabling precise navigation and control. For example, the Joint Direct Attack Munition (JDAM) guidance kit contains rare earth magnets in its fin actuation system.
Radar Systems: Yttrium is integral to high-performance radar systems like the AN/SPY-6 Air and Missile Defense Radar, enhancing the tracking of airborne and maritime threats.
Aircraft and Avionics: Modern fighter jets like the F-35 Lightning II require approximately 418 kg of REEs per unit for advanced weapons targeting systems, radar, and laser technologies.
Stealth Technology: REEs are used in stealth technology to reduce radar absorption and enhance tactical superiority.
Night Vision and Optical Devices: These elements enhance visibility and operational awareness in night vision and optical devices.
Electric Propulsion: Rare earth-enhanced electric propulsion systems have revolutionized the performance and energy efficiency of military vehicles, unmanned aerial vehicles (UAVs), and autonomous platforms.

Approximately 78% of U.S. weapon programs contain components that depend on rare earth magnets. From fighter jets to naval vessels, armored vehicles, missile systems, and space platforms, all branches of the U.S. military rely on these elements.

The Geopolitical Landscape and Supply Chain Vulnerabilities

China dominates the global rare earth market, controlling 70-90% of the world’s supply. This concentration creates significant geopolitical and economic risks for international markets. The U.S. is dependent on China for many of the elements necessary for critical military and industrial applications. This dependency leaves the U.S. vulnerable to supply chain disruptions, threatening national defense capabilities and technological innovation.

Several factors contribute to China’s dominance:

Resource Control: China holds substantial reserves and has a well-established mining and processing infrastructure.
Processing Capabilities: China handles more than 85% of the world’s processing capacity for refined rare earth elements.
Export Policies: China has demonstrated a willingness to impose export restrictions and quotas, leading to price fluctuations and market uncertainty.

To counter these vulnerabilities, the U.S. is actively pursuing strategies to secure its rare earth supply chain:

Domestic Mining and Processing: Efforts are underway to increase domestic mining and processing capabilities. The Department of Defense (DOD) has awarded millions to establish domestic rare earth element supply chains, including separating and refining rare earth elements mined in the U.S.
Recycling Initiatives: Investment in recycling technologies to recover valuable elements from electronic waste reduces reliance on primary extraction.
Strategic Partnerships: Partnering with allies like Australia, Canada, and the United Kingdom ensures a stable and secure supply of critical minerals.
Stockpiling: Establishing a robust strategic rare earth element reserve enhances U.S. standing in global negotiations and deters potential adversaries from utilizing resource manipulation as leverage.

Investing in Rare Earths: Opportunities and Risks

Investing in rare earth elements presents both opportunities and risks that investors should carefully consider.

Opportunities:

Growing Demand: The demand for REEs is projected to grow significantly due to the increasing use of these elements in electric vehicles, renewable energy technologies, and defense systems.
Government Support: Governments worldwide are investing in domestic rare earth production and processing to reduce reliance on foreign suppliers, creating opportunities for companies in this sector.
Technological Advancements: Innovations in mining, processing, and recycling technologies can improve efficiency and reduce environmental impact, making rare earth projects more attractive to investors.

Risks:

Market Volatility: The rare earth market is subject to price volatility due to supply-demand imbalances, geopolitical tensions, and market manipulation.
Environmental Concerns: The extraction and processing of rare earth elements can have significant environmental impacts, including habitat destruction, water pollution, and radioactive waste.
Geopolitical Risks: Reliance on a small number of foreign suppliers exposes investors to geopolitical risks, such as export restrictions, trade disputes, and political instability.
Technological Substitution: The development of alternative materials that can replace rare earth elements in certain applications could reduce demand and impact investment returns.

Strategies for Responsible and Ethical Investing

Given the ethical and environmental concerns associated with rare earth mining, responsible sourcing and ethical investing are crucial.

Supply Chain Transparency: Investors should prioritize companies that demonstrate transparency in their supply chains, ensuring that rare earth elements are sourced from environmentally and socially responsible mines.
Environmental Standards: Support companies that adhere to high environmental standards, minimizing the impact of mining and processing on local ecosystems.
Community Engagement: Invest in companies that engage with local communities, respecting their rights and addressing their concerns related to mining operations.
Recycling Initiatives: Encourage and support companies that invest in recycling technologies to recover rare earth elements from electronic waste, reducing reliance on primary mining.
Alternative Materials: Promote research and development of alternative materials that can replace rare earth elements in certain applications, reducing demand and environmental impact.

The Path Forward: Securing a Sustainable and Ethical Future

Investing in defense and rare earths requires a balanced approach that considers both national security and ethical responsibilities. By promoting domestic production, diversifying supply chains, and encouraging responsible sourcing practices, nations can secure a sustainable and ethical future for the rare earth industry.

As the demand for rare earth elements continues to grow, strategic investments in this sector will play a vital role in shaping the future of national security and technological innovation.