Ultimately unsustainable...
>Chiefly, the F-35 relies on rare earth elements, or REEs, to operate. Its jet engines are coated with yttrium-enhanced ceramic to achieve supersonic speeds, and it requires powerful magnets made from neodymium for its weapons systems to function. Each F-35 jet contains 417kg of rare earth elements, of which between 90% and 95% of the world’s supply is sourced from China. Between 60% and 75% of the world’s supply of finished rare earth magnets is also produced in Chinese factories.
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