China’s Grip on an Obscure Rare Earth Metal Threatens the West’s Militaries
China’s Grip on an Obscure Rare Earth Metal Threatens the West’s Militaries

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China’s Grip on an Obscure Rare Earth Metal Threatens the West’s Militaries

Lockheed Martin is the largest domestic user of samarium, installing about 50 pounds of its magnets in every F-35 fighter jet.
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