China announced a ban of rare earth extraction and separation technologies on December 21, 2023. This has significant implications for U.S. national, economic, and rare earth security. Rare earth elements—a group of 17 metals—are used in defense technologies, including missiles, lasers, vehicle-mounted systems such as tanks, and military communications. They are also used in computers, televisions, and smartphones, along with various clean energy technologies central to decarbonization....
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