The gallium weapons supply chain is one of the most acute and least discussed vulnerabilities in Western defense manufacturing — and China’s 98% control of global gallium supply is not an accident.
Gallium is essential to directed energy weapons — the microwave-burst systems increasingly used for drone defense, electronic warfare, and area denial. These systems, which Craig Tindale described in his Financial Sense interview as the modern equivalent of a force multiplier, require gallium arsenide and gallium nitride semiconductors that have no commercially viable substitute at current technology levels. Point a directed energy weapon at the sky and it fries the electronics of anything it encounters. The weapon works. The supply chain is broken.
China’s position is not accidental. Gallium is produced primarily as a byproduct of aluminum smelting and zinc processing — industries where China has built overwhelming capacity through decades of state-directed investment. When the West closed its smelters for economic and environmental reasons, it closed its gallium supply simultaneously. The connection was invisible until it mattered.
Beijing demonstrated its willingness to use this leverage when it announced gallium export restrictions in 2023, citing national security. The move was surgical and unmistakable: we know what you’re building, and we control the material you need to build it. No declaration of war required. Just a licensing regime.
The gallium weapons supply chain problem has no fast solution. Building alternative gallium production capacity requires rebuilding the aluminum and zinc smelting operations that were closed, which requires the ESG, capital, and workforce rebuilding challenges that make every industrial revival project a decade-long undertaking. The vulnerability exists now. The fix is years away. That gap is the strategic window that China is operating in.