She had no idea what had happened. She’d never heard of a meteor blacking out electronics. This had to have been some sort of attack making use of an electromagnetic pulse device—a thing she’d heard mentioned in military and intelligence briefings. It had killed all the electronics in the valley except, apparently, for some systems buried deep underground. The stuff that absolutely had to keep working no matter what. They must have generators down at the bottom of the shaft, shielded by two hundred meters of rock, burning natural gas fed down in pipes and sending back electrical power to key systems topside.