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U.S. Defense Industry Dodged a Rare-Earth Shortage After China's Curbs
- rediguanayum 9mo ago* US military depends on samarium instead of neodymium magnets due to it's high heat tolerance. * For example samarium rare-earth magnets motors are used to control the fins of Tomahawk cruise missiles. * Due to tariff war, China cut off some rare-earth exports including samarium * Contractors got creative with sourcing about 100 tons of samarium from France and processing in Europe and United States * Future sources of samarium need to be discovered