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Commentary

Violations of NATO airspace: How to restore deterrence

The recent violations of Allied airspace represent an unprecedented escalation of tensions between NATO and Russia. Matus Halas writes that NATO must try to protect its airspace against unauthorised activities, but the inconsistency of approach within NATO makes deterrence harder. While different incursions must be treated differently, there needs to be consistency both over time and across member states.

22 October 2025 | Matus Halas
Report

Open Skies in the Arctic: Challenges and Opportunities

Both Russia and NATO member states are increasing their military presence and activities in the Arctic, and threat perceptions on both sides are intensifying, write Katarina Kertysova and Dr. Alexander Graef. Cooperative aerial observation, which lies at the heart of the Open Skies Treaty, has a useful role to play in mitigating military security risks and addressing environmental challenges in the region.