Waves of drones tumbled out of the sky above Camp Atterbury, Indiana, on Tuesday, their mechanical death throes punctuating what was otherwise a quiet morning. Drone swarms are a nightmare for security officials all over the world, whether they’re overwhelming a Russian air base or hovering near an American airport. Defense contractor Epirus this week demonstrated its drone-frying Leonidas to observers from various U.S. military services and foreign countries, including some in the Indo-Pacific. Axios was the only media on hand for the Atterbury tests, about 45 minutes south of downtown Indianapolis. In the climax of the two-hour show, Leonidas went up against 49 quadcopters, the largest grouping it’s ever faced. The “forcefield system,” which weaponizes electromagnetic interference, crippled all of them at once. No pricey projectiles. No fireballs. Epirus CEO Andy Lowery was understandably bullish, telling Axios: “I call this a singularity event.”

Full exclusive : Epirus demonstrates its electromagnetic drone killer, Leonidas which zaps drone swarm in seconds.

For more see the OODA Company Profile on Epirus.