National security — the Western arsenal
TungstenArmor-piercing penetrators, artillery, missile components. No substitute matches its density and heat resistance.
AntimonyMunitions primers, flame retardants, the infrared sensors behind night vision and targeting.
GalliumGaN radar, electronic warfare, the F-35's sensor and communications electronics.
AI & data centers — the compute build-out
GalliumGaN/GaAs power chips and gallium-oxide devices for high-voltage AI accelerators.
GermaniumThe fiber-optic backbone between GPUs, roughly a third of global demand.
TungstenThrough-silicon vias and interconnects in high-bandwidth memory.