One Burst, Dozens Down: How Leonidas Uses High Power Microwaves to Stop Drone Swarms

One Burst, Dozens Down: How Leonidas Uses High Power Microwaves to Stop Drone Swarms

Epirus and General Dynamics unveil Leonidas AR, a mobile microwave counter drone system designed to defeat drone swarms for the U.S.

By DRONELIFE Features Editor Jim Magill, a mobile weapons system, capable of traveling autonomously to the battlefield and shooting down swarms of hostile drones using beams of microwave energy, might seem like science fiction, but it could be showing up soon in war zones.

Los Angeles-based defense technology company Epirus and a subsidiary of global defense contractor General Dynamics recently teamed to create the Leonidas Autonomous Robotic vehicle (Leonidas AR), a mobile counter-UAS system.

The new weapon integrates Epirus’s Leonidas’s high-power microwave (HPM) counter-drone platform with General Dynamics Land Systems’ Tracked Robot 10-ton (TRX) unmanned ground vehicle, to counter the emerging threat posed by swarms of hostile drones.

A mobile weapons system, capable of traveling autonomously to the battlefield and shooting down swarms of hostile drones using beams of microwave energy.

Author summary: Epirus and General Dynamics introduce Leonidas AR.

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Dronelife Dronelife — 2025-10-15