Passive Counter-Drone Detection Goes Live
Coverage from GOV.UK, Dronefront, and others
Going On

Project Halo Shield is operational at Warminster Garrison as a passive counter-drone capability.
A few articles that between them cover the whole topic, picked by the role each one plays.
If you read one thing
UK Army Base Deploys Layered Passive Counter-Drone DetectionIt provides the clearest overall account of Halo Shield’s layered detection system, initial results, and possible wider deployment.
The evidence
British Army Deploys Passive Drone Detection at WarminsterIt adds a distinct account of the operational results and the policy limits preventing active drone defeat.
The forces this coverage keeps returning to, and which way each has moved.
Layered passive detection is operational
Project Halo Shield is operational at Warminster, combining RF sensing, command-and-control software, and AI-enabled optical surveillance into a layered airspace picture. It can detect, locate, classify, and support identification of drones and potentially their controllers without active emissions.
Initial monitoring is validating wider deployment
The first 17 days of live monitoring produced 29 drone position alerts at ranges up to 5 kilometers, providing an initial operational basis for assessing the capability. Results are informing possible expansion to other UK garrisons and the addition of radar and acoustic sensors.
Detection has not yet translated into active defeat
Halo Shield currently provides detection and monitoring rather than an integrated means of disabling drones. UK permissions and policies governing RF information collection and the use of effectors remain constraints on attaching active counter-drone responses.
Figures the coverage reports, each traced back to the sentence it came from.
17 days
duration of live monitoring
“During the first 17 days of live monitoring, the system recorded 29 drone position alerts, with detections up to 5km away. None of the alerts represented a threat to the base.”
29 alerts
drone position alerts recorded
“During the first 17 days of live monitoring, the system recorded 29 drone position alerts, with detections up to 5km away. None of the alerts represented a threat to the base.”
5km
maximum detection distance
“During the first 17 days of live monitoring, the system recorded 29 drone position alerts, with detections up to 5km away. None of the alerts represented a threat to the base.”
A fourth RF sensor
sensor identifying the drone and its controller
“Dedrone’s system uses three RF sensors to triangulate drone positions across the garrison. A fourth RF sensor identifies both the drone and its controller.”
three RF sensors
sensors used to triangulate drone positions
“Dedrone’s system uses three RF sensors to triangulate drone positions across the garrison. A fourth RF sensor identifies both the drone and its controller.”
No material real-world change is evidenced since the previous state; the Topic remains centered on Project Halo Shield’s passive counter-drone deployment at Warminster Garrison and its ongoing evaluation for wider use.
Previously
The British Army has deployed Project Halo Shield at Warminster Garrison as a passive counter-drone system combining radio-frequency sensing, command-and-control software, and optical detection. It recorded 29 drone position alerts during its first 17 days of monitoring, detecting aircraft at ranges of up to five kilometers and supporting analysis of potential controllers. The trial will inform possible deployment at other UK garrisons, although current permissions and policies limit the use of attached systems to detection rather than disabling drones.
Every article behind this topic, ranked by CI Score.
