Imagine a mineral so crucial to modern warfare that it’s been dubbed a 'war metal.' Now, picture a remote corner of South Korea holding one of the world’s largest reserves of this very resource. This is where global power dynamics could shift dramatically. The Sangdong mine, tucked deep within South Korea’s eastern mountains, is poised to become a game-changer for the United States, offering a lifeline in its quest for tungsten—a material capable of withstanding extreme temperatures and essential for everything from tanks to AI-guided missiles. But here’s where it gets controversial: this mine’s revival comes at a time when China’s near-monopoly on critical minerals has the U.S. scrambling for alternatives, especially after China’s threats to cut off supply during the recent trade war. Is this a step toward independence, or a temporary band-aid on a much larger issue? Let’s dive in.
Tungsten, often referred to as a 'war metal,' is no stranger to geopolitical tug-of-war. During World War II, Allied forces fought to block its flow to Nazi Germany, underscoring its strategic importance. Today, the U.S. finds itself in a similar predicament, desperate to secure this mineral for its defense industry. Enter Almonty Industries, the mining company that has reopened the Sangdong mine after its 30-year hiatus—a shutdown caused by China’s aggressive pricing that drove nearly all competitors out of business. Lewis Black, Almonty’s CEO, is unequivocal: 'The status quo cannot be returned to. The U.S. is right to do this—there is no choice.'
But here’s the part most people miss: tungsten isn’t just about military might. It’s also a critical component in modern technology, from smartphones to renewable energy systems. China’s dominance in rare earths and critical minerals has given it unprecedented leverage, leaving the U.S. vulnerable. During the trade war, China’s threat to weaponize this dominance sent shockwaves through Washington, prompting a frantic search for alternative sources. The Sangdong mine, with its estimated 1.2 million tons of tungsten ore per year once fully operational, could be a significant piece of the puzzle. But is it enough?
During a recent visit to the White House, Black assured U.S. officials that the mine would meet national security demands. When pressed by CBS News, he confidently stated, 'For U.S. national security, yes.' Yet, the challenges are far from over. Tungsten is notoriously difficult to mine, with a density comparable to gold and a brittleness akin to ceramic. CBS News witnessed this firsthand during a tour of the mine’s labyrinthine tunnels, where UV lamps revealed veins of tungsten embedded in the rock—a stark reminder of the resource’s scarcity and the effort required to extract it.
And this is where it gets even more complex. The U.S. has already sought to diversify its mineral supply chain, signing a deal with Ukraine in May 2025. At the time, Ukrainian officials framed it as an equal partnership to develop mineral, oil, and gas projects. However, the agreement also included a provision for Ukraine to contribute half of its future royalties to the U.S. as repayment for military aid—a detail that sparked debate over fairness and sovereignty. President Trump had previously positioned the deal as a way for Ukraine to 'repay its debt,' raising questions about the ethics of such arrangements.
As the Sangdong mine prepares to ramp up production in the new year, it’s clear that tungsten is more than just a mineral—it’s a symbol of the broader struggle for resource independence in an increasingly interconnected world. But here’s the question we must ask: Is relying on a single mine—or even a handful of partnerships—enough to counter China’s dominance? Or are we merely delaying the inevitable need for a more sustainable, global solution? Let us know your thoughts in the comments—this is a conversation that’s far from over.
