SpaceX just declared war on a $600 billion market, and the weapon is sitting on 12 million rooftops its customers already paid for. Verizon, AT&T, and T-Mobile stock all fell within minutes of Gwynne Shotwell talking on yesterday's earnings call. Listen to what she said and you understand why. The satellite part everyone expected. Next-gen birds fly in 2027, running on 65 MHz of spectrum bought from EchoStar for $19.6 billion, up from 5 MHz today. Ten times the satellites, thirteen times the…