The U.S. Marines are testing out a powerful new tool to boost their rifle accuracy against drones. This new tech called the ZeroMark Fire Control System (FCS), is designed to make hitting drone targets much easier for Marines. The ZeroMark FCS attaches to standard rifles and includes an innovative powered buttstock that can make tiny adjustments to where the rifle is aimed. This high-tech system, developed by a startup with "deep roots in Israel," gives Marines a better chance of hitting fast-m...