18 September 2026

How to fix NATO’s fatal flaw

The Hill | Harlan Ullman

Russian hybrid warfare operations, including recurring airspace incursions by military drones and persistent cyber campaigns, threaten NATO by exploiting ambiguity in the alliance's Article Five collective defense guarantee. Romania has reported 26 airspace violations and intercepted four Russian drones, while an unexploded drone struck Germany's Leipzig/Halle Airport on Aug.

4. These sub-threshold active measures deliberately circumvent traditional military assault definitions originally conceived during the Cold War. The alliance lacks a unified counter-hybrid framework. Despite operating 30 specialized Centers of Excellence, NATO leaves responses to Russian disinformation, St. Petersburg troll operations like the Internet Research Agency, and cyber breaches entirely to individual member states. To blunt Moscow's escalating gray-zone campaign, recommendations call on the Supreme Allied Commander Europe to create a dedicated special services unit, shoot down all intruding Russian aerial platforms, expand air policing, and leverage strategic military deployments as active influence operations.

Comment

NATO’s foundational deterrence architecture, anchored in Article 5 of the North Atlantic Treaty, remains structurally misaligned with grey-zone hostility. By tying collective defence triggers primarily to conventional kinetic aggression, Allied Air Command faces operational ambiguity when responding to low-observable drone incursions over sovereign NATO airspace. Russian sub-threshold operations exploit this threshold gap, forcing individual national air defence centres into uncoordinated, localised engagement decisions.

This doctrinal friction creates a severe operational penalty across the alliance's eastern flank. Decentralised, nation-by-nation responses to airspace breaches strain readiness cycles and risk inconsistent rules of engagement, particularly for forward-deployed units operating under NATO's Baltic Air Policing mandate. Without a unified standing rule of engagement for sub-kinetic intrusions, Supreme Headquarters Allied Powers Europe cannot effectively synchronise air defence networks against repeated probing.

Strategic Question for Discussion
Which carries greater operational risk for Supreme Headquarters Allied Powers Europe — establishing automatic kinetic engagement rules for unmanned airspace incursions under NATO's Baltic Air Policing mandate, or maintaining national discretion that risks fragmented defensive responses?
The available evidence points toward national fragmentation posing the far more immediate hazard to alliance coherence. While automated kinetic engagement rules create potential miscalculation risks along sensitive borders, decentralised national protocols allow Russian active measures to selectively test individual air defence sectors without triggering a unified response. Consequently, maintaining uncoordinated national discretion systematically degrades Allied Air Command's defensive posture.
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