Baltic Tensions: Russia’s Airspace Incursions, NATO, and the Security Dilemma
Estonia’s claim of Russian airspace violations near Vaindloo highlights how even minor incursions serve as deliberate tests of NATO unity, amplifying the security dilemma and exposing the Baltic region’s role as a strategic fault line in Europe’s fragile security order.
In September 2025, Estonia released radar images alleging that three Russian MiG-31 fighter jets violated Estonian airspace near Vaindloo Island. Talinn reported that the aircraft remained for about twelve minutes, flying without flight plans or transponders and making no contact with Estonian air traffic control. Moscow swiftly denied the claim, maintaining that its fighters stayed in international airspace and complied fully with aviation protocols (Reuters, 2025a; Reuters, 2025b; Al Jazeera, 2025). In response, Estonia invoked Article 4, prompting NATO to convene its North Atlantic Council for consultations, while allied aircraft increased patrols across the Baltic region (Reuters, 2025c; Reuters, 2025d).
At first glance, such airspace incursions might appear like routine military provocations or minor navigational disputes. Yet their timing, symbolism and location point to something deeper: the persistent fragility of European security and the dynamics of the security dilemma. This article addresses that these violations are not technical mishaps but deliberate strategic performances designed to test deterrence, probe NATO’s unity, and reinforce the idea of a Russian hegemonic power. The analysis proceeds in two stages: first, by examining the logic of the security dilemma and the performative nature of deterrence; second, by exploring why the Baltic region constitutes a unique fault line in the NATO–Russia confrontation.
Security Dilemma, Deterrence, and the Performative Nature of Power
The security dilemma, a central concept in realist international relations, describes the paradox
whereby defensive measures by one actor are perceived as threats by another, triggering spirals of escalation (Herz, 1950). Russia’s airspace incursions illustrate this cycle. For Moscow, flying close to or briefly across NATO borders serves to project strength, signal persistence, and teste Western responses without escalating into open conflict. For NATO, each violation erodes trust and demands a defensive reaction, such as scrambling aircraft or releasing radar data. These defensive moves, in turn, reinforce Moscow’s sense of encirclement and justify further demonstrations of resolve.
The danger lies in the razor-thin boundary between signaling and escalation. A brief violation may serve as a symbolic reminder of Russia’s reach, yet it carries the risk of accidents or miscalculations. The 2015 downing of a Russian Su-24 by Turkey, following a short airspace breach, showed how quickly a tactical incident can escalate into a strategic crisis. A similar misstep in the Baltic region could test NATO’s Article 5 guarantee, a scenario that would carry enormous political stakes.
These incidents also underscore the performative dimension of power. As Mattern (2005) argues, authority is enacted not only through material capabilities but also through symbolic practices. In this context, radar images and press coverage from part of the performance: Estonia portrays itself as a vulnerable yet resilient ally, NATO reaffirms its unity, and Russia signals that its military remains unconstrained by Western deterrence. The choreography of scrambling jets and issuing official statements is thus not merely technical but a political performance that shapes perceptions of legitimacy and credibility.
The Baltic Region as a Strategic Fault Line
Estonia, Latvia and Lithuania constitute NATO’s most exposed frontier. Their small size, limited military capacity, and proximity to Russia and Belarus leave them heavily reliant on collective defense. Geography further compounds this vulnerability: the Suwałki Gap—a narrow land corridor between Poland and Lithuania—could be quickly severed in a crisis, cutting off the Baltic states from the rest of NATO.
In this context, airspace violations function as strategic probes. They remind Baltic governments of their vulnerability while simultaneously testing NATO’s unity. Divergent responses such as Poland’s calls for stronger deterrence versus Germany’s preference for restraint create openings for Moscow to exploit alliance divisions (Reuters, 2025c). From a realist perspective, Russia seeks to capitalize on these cracks by imposing asymmetrical costs and eroding cohesion. From a liberal institutionalist perspective, however, the incidents underline the importance of NATO’s procedures, common operating pictures, joint patrols, and agreed rules of engagement, which help prevent accidents and maintain deterrence.
A constructivist angle adds yet another layer. For Estonia, even a brief incursion represents a violation of sovereignty that resonates with historical memory of occupation. For Russia, such maneuvers are framed as routine training exercises. These conflicting interpretations reduce the scope for de-escalation and increase the risk of crises becoming entrenched. The European Council on Foreign Relations (2025) has noted that deterrence in the Baltic is not solely a question of military force but also of political cohesion and shared threat perceptions.
The recent incidents thus reaffirm that the Baltic region is a strategic fault line where geography, history, and alliance politics converge. Russia uses incursions as cost-effective tools of coercion and narrative framing.
Russia’s airspace incursions in the Baltic region are not isolated technical events; they are deliberate instruments of strategic communication. Through them, Moscow tests NATO’s deterrence posture, probes alliance cohesion, and performs its great-power identity at minimal cost. For NATO, the challenge lies in reinforcing credibility without fueling escalation, an especially delicate task in a region where geography amplifies vulnerability and history deepens mistrust.
The security dilemma explains why even defensive actions can feed adversarial perceptions, creating a spiral of insecurity. The performative nature of deterrence underscores how images, rituals, and statements shape the politics of legitimacy. Ultimately, the lesson of the September 2025 incidents is that minor violations can carry major consequences. Effective governance requires not only military readiness but also political alignment, open communication, and careful crisis diplomacy. Without them, the Baltic border could risk becoming a flashpoint for a wider conflict.
Bibliography
Al Jazeera (2025) Estonia says Russian fighter jets entered its airspace in “brazen intrusion”. 19 September. Available at: https://www.aljazeera.com/news/2025/9/19/estonia-says-russianfighter-jets-entered-airspace-in-brazen-intrusion
European Council on Foreign Relations (2025) Baltic deterrence under pressure: lessons from the airspace crisis.
Herz, J.H. (1950) ‘Idealist Internationalism and the Security Dilemma’, World Politics, 2(2), pp. 157–180.
Mattern, J.B. (2005) Ordering International Politics: Identity, Crisis, and Representational Force. London: Routledge.
Reuters (2025a) NATO member Estonia says three Russian jets violated its airspace. 19 September. Available at: https://www.reuters.com/business/aerospace-defense/nato-memberestonia-says-three-russian-jets-violated-its-airspace-2025-09-19/
Reuters (2025b) Russian defense ministry: fighters did not violate Estonian airspace. 20 September. Available at: https://www.reuters.com/world/europe/russian-defence-ministryrussian-fighters-did-not-violate-estonian-airspace-2025-09-20/
Reuters (2025c) NATO to discuss Russian airspace violation on Tuesday, officials say. 21 September. Available at: https://www.reuters.com/world/nato-discuss-russian-airspace-violationtuesday-officials-say-2025-09-21/
Reuters (2025d) Germany scrambles jets after Russian military aircraft flies over Baltic Sea. 21 September. Available at: https://www.reuters.com/world/europe/russian-military-plane-enteredairspace-over-baltic-sea-sunday-germanys-air-2025-09-21/
