Some experts have expressed skepticism about both Trump's description of the weapon and whether it even exists.

Wars are rarely fought with perfect equipment. Throughout history, militaries have fielded weapons they knew were flawed, ...

Combat exposes weapon flaws missed in testing like maintenance complexity and environmental stress that controlled trials cannot replicate. Many failed weapons were overdesigned or mismatched to ...

During World War II, American scientists created a weapon that made anti-aircraft fire several times more deadly. The ...

As military spending skyrockets and the push is on for new weapons to go quickly from the lab to the fleet, military leaders, defense contractors, innovators and investors will gather Dec. 16 in ...