Since the war in Iran began in late February, the U.S. has used at least 45% of its Precision Strike Missiles and 50% of missile interceptors. Replacing these munitions will take years — and that assumes U.S. manufacturers can get the key materials needed to produce them. China, unfortunately, dictates the answer. China’s dominance of global mineral supply chains has given it immense leverage over U.S. defense production. According to The Wall S…