Critical Minerals

The Critical Minerals Security Program aims to provide policy and thought leadership as the United States races to build the resilient minerals supply chains needed for national, economic, and energy security.

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Photo: Victor J. Blue/Bloomberg via Getty Images

Photo: Victor J. Blue/Bloomberg via Getty Images

Beyond Rare Earths: China’s Growing Threat to Gallium Supply Chains

Two years after China imposed export controls on gallium—a critical input for semiconductors, radar, and defense systems—this brief assesses how the restrictions have impacted supply chains amid escalating U.S.-China economic competition.

Brief by Aidan Powers-Riggs, Brian Hart, Matthew P. Funaiole, Scott Thomsett, Simon Zieleniewski, and Tim Rose — July 17, 2025

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