SMRTR Science & EngineeringJun 11, 2025The Economist

Microwave blasters can down even jam-proof drones

SMRTR summary

The US military is testing new microwave weapons to counter drone swarms. These weapons, like the Leonidas IFPC-HPM, emit pulses of radiation to disrupt drones' electronics, causing crashes. Various defense contractors are developing similar systems, with ranges up to 1km and potential for longer distances in the future. The technology is advancing rapidly due to the threat of cheap drones in modern warfare, particularly in Ukraine. While expensive upfront, microwave weapons offer lower operating costs compared to traditional air defenses.

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