The U.S. Navy’s strangest destroyer is no longer built around guns at all. The Zumwalt class entered service as a stealthy surface combatant centered on two 155mm Advanced Gun Systems, then spent ...

Laser beams, robodogs and drone-zapping microwaves, these are the types of weapons that could be deployed on battlefields in the not too distant future. Some are already here. The threat of a wider ...