China's October decision to add five rare earth elements to its export control list confirmed what policymakers have long feared. China controls 60% of global critical mineral production and over 80% of refining capacity for materials that power everything from electric vehicles to fighter jets. AI data center buildouts have only spiked demand further. Add cobalt to the picture—70% of global reserves sit in the Democratic Republic of Congo, and China owns roughly 70% of that production—and you have a supply chain built for peacetime that could collapse in a crisis. The alloys in today's F-35 engines depend on elements Beijing could cut off tomorrow.Joseph Krause argues the problem runs deeper than mining. Materials companies today are 75 to 150 years old. Some aerospace alloys still in use were developed for the Ford Model T. Meanwhile, China has been publishing the lion's share of advanced alloy research and aggressively recruiting metallurgy professors from American universities. China already fields a hypersonic capability using a niobium-based alloy; the US is scrambling to catch up. Krause's company, <a href="https://www.radical-ai.com/">Radical AI</a>, is building AI-powered labs to compress what typically takes 10 to 20 years and over $100 million in materials discovery into something dramatically faster and cheaper. The goal is inverse design: start with the exact properties the military needs, then work backward to find materials that don't require Chinese-controlled supply chains.The Trump administration has moved aggressively, taking a $400 million stake in MP Materials, putting $2 billion toward stockpiling strategic metals, and working to streamline permitting that currently takes seven to ten years for a single US mine. FAI’s <a href="https://www.thefai.org/profile/farrell-gregory">Farrell Gregory</a> <a href="https://www.thefai.org/posts/what-s-next-for-the-usgs-critical-mineral-list">notes</a> there's no silver bullet across the 60 minerals on the USGS critical minerals list, which ranges from rare earths at $8 billion in global market value to copper at $250 billion. The administration has shifted from blanket tax credits to case-by-case deals, prioritizing materials where Chinese leverage is highest and American action can make the biggest difference. Krause and Gregory join Evan to discuss the challenges facing the U.S. amid Chinese dominance in rare earth minerals and what policymakers can do to make the U.S. more resilient to supply chain shocks, including public-private partnerships and government funding.

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