On August 28, 2025, a swarm of 49 quadcopter drones was brought down within seconds during a test organized by Epirus at the Indiana National Guard base at Camp Atterbury. The Leonidas system, developed by the California-based company, used high-power electromagnetic waves to simultaneously disable the onboard electronics of all the aircraft. The exercise was conducted in front of U.S. military officials, foreign delegations, and journalists, including Mike and Colin Demarest of Axios Future of Defense. The drones crashed into a nearby field after losing control systems, confirming the system’s capacity to neutralize a multiple-drone threat. Read more.
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