Cheap Interceptor Drone Hits Target in Test

Perseus says its sub-$10,000 Harpe could undercut costlier interceptors, though the system is still in testing rather than fielded.

Updated on Nov. 3, 2026 in Robotics

Cheap Interceptor Drone Hits Target in Test

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Should the U.S. spend more on cheap missiles to shoot down drones?

Perseus Defense released video of its low-cost Harpe interceptor hitting a hovering multirotor drone, posted on social media Nov. 2 by co-founder Jason Cornelius. The Harpe is a guided interceptor fired at inexpensive drones; the company's fielding and testing claims are company-reported, so the technology should be treated as demonstrated in test rather than as a proven, fielded system.

Why it matters

Interceptor drones and launchers priced far below the $100,000-plus typical of military drone interceptors would change the cost calculus for defending bases against cheap drone attacks. The Army's Golden Shield exercise and Northern Command's evaluation of the Perseus launcher suggest the approach is being weighed for protecting U.S. installations.

Perseus reports a sub-$10,000 target price per Harpe shot and a launcher under 36 kg with eight rounds, compared with the $100,000-plus cost of conventional military drone interceptors. These are company-stated figures; independent test data on hit rates and reliability was not part of the source material.

The players

Perseus Defense

Texas-based counter-drone company building the low-cost Harpe guided interceptor and Mk-III interceptor with an eight-round launcher, founded in 2025.

Jason Cornelius

Co-founder of Perseus Defense, who met co-founder Steve Messinger as a graduate student at Penn State and posted the Harpe hit video.

Steve Messinger

Co-founder of Perseus Defense, who met Jason Cornelius as a graduate student at Penn State.

U.S. Army

Military branch that hosted the Golden Shield exercise where Perseus conducted radar-cued multi-missile launches and its first military-hosted live-fire demonstration.

Northern Command

U.S. military command that evaluated the Perseus launcher alongside other short-range options for protecting U.S. bases.

The details

Harpe is a guided interceptor, meaning it steers itself toward a target after launch rather than flying a fixed path. Perseus fired its Mk-III interceptor from an eight-round launcher, a compact rack that holds several interceptors and launches them in sequence. The company said its radar-cued launches during Golden Shield, the Army exercise where it had its first military-hosted live-fire demonstration, use a radar to detect a target and pass its position to the launcher. Targeting a drone at a range of about 2 km, the interceptor is designed to be far cheaper than the missiles traditionally used against drones.

Perseus fired its Mk-III interceptor at Yuma Proving Ground in September 2026 during the Falcon Peak 26.2 experiment.
Cornelius posted the eight-second drone-interception clip on social media on Nov. 2, 2026.
The Golden Shield exercise live-fire demonstration with Perseus took place earlier in 2026.
Perseus went through the Y Combinator accelerator batch in summer 2025.
Perseus was founded in 2025 by Jason Cornelius and Steve Messinger.

The Tech Race

Perseus is positioning its sub-$10,000 interceptor against the $100,000-plus interceptors militaries use now, a gap that defines the competition for cheap counter-drone systems. Its Golden Shield performance and the Northern Command evaluation place it among the short-range options the U.S. military is currently comparing.

The system is not described as available for purchase, and no pricing or delivery timeline was announced beyond the company's target price. For now its relevance is to military base defense planners rather than civilians, with any broader use dependent on future procurement decisions.

The takeaway

Watch whether the Army or Northern Command announces a procurement or further live-fire evaluation of the Perseus launcher, since that would show whether the sub-$10,000 target holds up beyond company testing. Track any independent hit-rate data released after Golden Shield to judge whether cheap interceptors can match the reliability of costlier systems.