It looks like a piece of riot-control gear. It’s got a computerized in-board targeting system. It can kill someone from 2,300 feet away, while he takes cover. And it’s on its way to the Afghanistan war.

The XM-25 grenade launcher shoots a 25 mm high-explosive round that’s basically a “smart” grenade. What makes it smart? Sensors and microchips inside the round talks to the gun’s guidance system, known as the Target Acquisition Fire Control unit, to learn where and when to explode, minimizing the likelihood of