Key Takeaways USA Rare Earth's LCM partnered with Arnold to supply rare-earth metals and alloys.Arnold will use LCM materials to make permanent magnets for aerospace and defense markets.USAR aims to strengthen the U.S. and Europe supply chains after acquiring LCM in November 2025.USA Rare Earth, Inc.’s (USAR) business subsidiary, Less Common Metals (‘LCM’), recently partnered with Solvay and Arnold Magnetic Technologies Corp. (Arnold) to provide a stable and premium-quality source of rare-earth materials. A ...