THE SIGNAL
SPECIAL REPORT: U.S. Begins Forging Rare Earth Supply Chain
Mountain Pass Rare Earth Mine and Processing Facility
MP Materials photo
This is part 4 of a 5‑part special report on the health of the defense industrial base. Click here to download the full Vital Signs 2023 report.MOUNTAIN PASS, California — From the smartphone in your pocket to magnets powering a growing number of electric vehicles on the road, rare earth elements are the foundational components for some of the most commonly used technologies …
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