Recalling the heavy weapons mounted in the cargo beds of some of the vehicles, he shut off his lamp and continued to stare into the ice fog. It took only a few seconds to spot dozens of ivory-colored rays shining through the line of bullet holes that had been punched through the wall of the accelerator tube.
	John looked to the opposite wall and saw a like number of rays beaming through a similar line of holes where the rounds had exited the tube. So, not small arms—probably a vehicle-mounted anti-aircraft gun similar to the ones that had shredded the Black Daggers during the initial deployment.
	...
	“That’s denial fire,” John said. “They don’t know where we are—they’re just trying to keep us from advancing beyond there.”
	“And doing a fine job,” Kelly said. “This new Mjolnir is good stuff, but even a titanium-alloy outer shell can’t stop a twelve-seven depleted uranium round—much less a dozen of them.”