Humanoid robots are rapidly moving from science fiction to military reality. Foundation's Phantom MK-1, a combat-ready humanoid robot with $24M in U.S. military contracts, has already been deployed to Ukraine for reconnaissance. Proponents argue robots reduce soldier casualties and bring precision to warfare, while critics warn they lower the threshold for conflict, blur accountability for war crimes, and risk autonomous killing without meaningful human oversight. The U.S. is rolling back AI safety regulations even as the UN pushes for a binding treaty banning unpredictable autonomous weapons systems. Companies like Scout AI are already demonstrating fully autonomous kill chains, and a global humanoid-soldier arms race involving the U.S., Russia, and China is underway.