U.S. Military Tests Laser that Beams Power and Counters Drones

Why It Matters

If deployed, the laser could cut logistics costs and improve survivability by eliminating vulnerable fuel convoys while providing on‑demand defense against hostile drones.

Key Takeaways

• Laser beams power and disables drones with same hardware
• Tested in snow, proving operation under adverse weather
• Could replace diesel generators, reducing fuel convoy risks
• Field‑repairable design shows practical deployment potential

Pulse Analysis

The concept of laser‑based power beaming has moved from laboratory curiosities to credible military projects over the past decade. DARPA’s POWER demonstration in 2022 transmitted more than 800 watts across 8.6 km, setting a benchmark for optical energy delivery. Building on that foundation, the Naval Research Laboratory paired an existing Marine Corps directed‑energy laser with high‑efficiency solar receivers, creating a system that can shift from continuous power transmission to an active counter‑UAS mode without interruption. This dual‑use architecture signals a maturing technology stack that can support both sustainment and kinetic defense.

For expeditionary forces, the ability to beam electricity eliminates the need for diesel generators and the vulnerable fuel convoys that sustain them. A forward operating base could draw kilowatts of power from a vehicle positioned miles away, freeing up transport assets and reducing the logistical footprint. At the same time, the same beam can lock onto hostile drones, a growing threat to supply lines and personnel. The Army’s involvement reflects a strategic priority to integrate energy resilience with counter‑drone capabilities, potentially reshaping how joint forces plan forward deployments.

Real‑world testing in white‑out snow and windy conditions proved the system’s robustness, while on‑site repairs demonstrated maintainability by troops with limited tools. However, scaling the technology will require addressing beam attenuation in dust, rain, and urban environments, as well as developing safe operational doctrines for high‑power lasers near friendly assets. The next phase, slated to involve Marines, Soldiers and Sailors in hands‑on trials, will focus on user feedback, integration with existing power grids, and cost‑benefit analyses. Successful transition from proof‑of‑concept to fielded equipment could redefine battlefield energy logistics for the U.S. services.