TOKYO -- It is one of the nightmares of the "drone age": waves of unmanned aircraft overwhelming defenses to unleash death and destruction. An agency under Japan's Defense Ministry is making progress toward countering the threat.
Defense agency tests system that could shoot down multiple aerial threats

The Japanese defense agency ATLA plans to hone its microwave system as a new type of anti-drone defense.
TOKYO -- It is one of the nightmares of the "drone age": waves of unmanned aircraft overwhelming defenses to unleash death and destruction. An agency under Japan's Defense Ministry is making progress toward countering the threat.