TheNST/Research/Defence Technology
Defence Technology Intelligence Monograph

Counter-UAS Doctrine: Tactical Sensor Fusion in Urban and Border Theatres

Author: Tactical Research Group (Air Defence & Autonomy Fellows)•Published: February 2026•9 min read
Executive Summary

Evaluating RF jamming, directed energy, and kinetic interceptors against coordinated autonomous drone swarms.

Strategic Implications & Key Takeaways

  • Single-frequency RF jamming is obsolete against autonomous, visual-inertial odometry swarms.
  • Layered defense requires acoustic, micro-Doppler radar, and optical tracking tied to AI classification.
  • Directed energy provides the lowest cost-per-intercept for high-density saturation attacks.

Analysis & Assessment

The proliferation of inexpensive, commercially derived unmanned aerial systems (UAS) has inverted the cost dynamics of low-altitude air defense.

Modern counter-UAS operations require an integrated sensor architecture that combines passive RF scanners, 3D radar, thermal imaging, and acoustic arrays into a unified tracking matrix.

Field trials indicate that autonomous swarm tactics will render single-point electronic countermeasures ineffective, necessitating hard-kill kinetic and directed-energy interception capabilities.

Institutional Actions
Contributing Author
Tactical Research Group
Air Defence & Autonomy Fellows