The U.S. Navy is testing a railgun that it hopes to deploy in the not-too-distant future. The high-tech gun can shoot rounds from 100 miles away that will travel at 5,600 miles per hour.
But that's not the only futuristic weapon in the military's arsenel. Some military weapons look like they were lifted straight from the pages of a sci-fi novel. Robots, railguns and other futuristic technology are constantly being developed to keep soldiers a few steps ahead of the enemy. Here are a few currently in the works.