DRONEZONE
Counter-UAS

Pentagon selects four directed-energy systems for counter-drone pilot

Army Technology · · 4 min read

This pilot matters less for the lasers themselves than for where they will sit: inside the homeland, against small UAS, under a department now branding itself the Department of War. Directed energy has spent two decades as a promising but fragile capability. A structured operational assessment of four systems, spanning laser and microwave effects, signals the Pentagon is willing to move past demonstrations toward sustainment, training, and basing decisions. For industry, the winners of this pilot shape the next decade of counter-drone procurement.

The most consequential detail in this announcement is not the number of systems selected. It is the word homeland. For years, directed-energy counter-drone development has been framed around force protection at forward operating bases, where a generator, a maintenance team, and a permissive rules-of-engagement environment could be assembled around a single high-value site. Moving the same class of systems into domestic airspace changes almost everything: the engagement authorities, the cost-exchange calculus, the infrastructure assumptions, and the political tolerance for a miss. The Pentagon's decision to run a structured pilot with four high-energy laser and high-powered microwave systems should be read as an attempt to answer those questions with data rather than with another decade of laboratory claims.

The mechanics explain why this is hard. High-energy lasers deposit energy on a small spot and need dwell time, clear line of sight, and stable tracking against small, fast, low-radar-cross-section targets. Dust, rain, haze, and atmospheric turbulence degrade beam quality, and thermal management limits how many engagements a system can sustain before it must cool. High-powered microwave systems take a different path: they radiate a broad beam intended to disrupt or damage electronics across a wider angular volume, which makes them attractive against swarms but complicates fratricide, spectrum management, and effects assessment. Both families promise a deep magazine and a low cost per shot, which is precisely why they keep surviving budget cycles despite uneven test records. The pilot format, assessing operational use rather than component performance, is the correct next step. It forces the services to confront sustainment, manning, power, and maintenance burdens that a range demonstration can hide.

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From the original reporting
The US Department of War (DoW) has selected four high-energy laser and high-powered microwave systems for a counter-uncrewed aircraft pilot intended to assess their operational use in homeland