Critical Minerals and Supply Chain Security: The New Strategic Resources

The global competition for critical minerals, essential for defense systems, electronics, and the green energy transition, has emerged as one of the most important strategic dynamics of the 21st century. Control over these supply chains confers strategic leverage as significant as control of oil in the 20th century.

China dominates the processing and refining of most critical minerals, controlling over 70% of rare earth production, 60% of lithium refining, and significant shares of cobalt and graphite processing. This concentration creates dependencies that affect everything from smartphone production to F-35 fighter manufacture. A single Chinese export ban on gallium and germanium in 2023 disrupted global semiconductor supply chains and demonstrated the weaponization potential of mineral dominance.

The scramble for diversified supply has intensified. The United States, EU, and Japan have launched critical minerals strategies involving investment in mining projects in Australia, Canada, Africa, and Latin America. Indonesia has leveraged its nickel reserves to attract processing investment, while Chile and Argentina compete to develop their lithium deposits. The Democratic Republic of Congo, which produces roughly 70% of the world's cobalt, has become a focal point of competition between Chinese and Western mining interests.

Defense applications make this competition particularly acute. Rare earth magnets are essential for precision-guided munitions, jet engines, and satellite systems. Lithium-ion batteries power submarines, drones, and military vehicles. Titanium and tungsten are critical for armor and ammunition. The vulnerability of these supply chains to disruption, whether by conflict, natural disaster, or deliberate action, represents a strategic risk that defense establishments are only beginning to address through stockpiling, recycling, and investment in alternative materials.