The Three Companies Rebuilding America’s Rare-Earth Arsenal

For decades the United States and its allies allowed the most technically demanding stages of the rare-earth supply chain to migrate overseas. Mining continued in several countries, but the industrial processes that convert rare-earth oxides into metals and magnet materials consolidated overwhelmingly in China.Reports from the South China Morning Post and Reuters indicate Washington may have only months of certain rare-earth inventories available for defense manufacturing if supply disruptions deepen. The w ...