Every time a $35,000 Russian drone gets shot down, America burns a $4 million missile to do it. The factory making those $4 million missiles built 620 of them all of last year. Russia has thrown 600 drones at Ukraine in a single night. That's the math Anduril just built an entire missile around. For 70 years the Pentagon optimized for the most capable interceptor money can buy. And the PAC-3 genuinely is a marvel, a missile that physically rams incoming warheads out of the sky. Here's the…