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A recent wargame simulation involving former NATO and German officials has starkly illustrated the possible dynamics of a Russian invasion of Lithuania, suggesting that Moscow could achieve significant objectives within days. The exercise, set in October 2026, explores a scenario in which Russia exploits a fabricated “humanitarian crisis” in its Kaliningrad exclave to justify military action against its Baltic neighbour.
The Simulation Overview
The exercise portrayed a scenario where Russia would target the Lithuanian city of Marijampole, strategically located near vital transport routes connecting Russia and Belarus. According to the simulation, a relatively small force of just 15,000 Russian troops could effectively seize control of the Baltic region, particularly if NATO allies falter in their commitments. Participants noted that the lack of decisive US leadership and hesitation among NATO member states could embolden Moscow to take aggressive action.
Bartłomiej Kot, a Polish security analyst who role-played as the Polish Prime Minister during the simulation, remarked, “The Russians achieved most of their goals without moving many of their own units. This underscores our ingrained perception that we must be the ones to de-escalate in response to Russian provocations.”
Inaction and Hesitancy
The wargame further revealed a concerning pattern of inaction among NATO allies. The United States opted not to invoke Article 5, which mandates collective defence among member states, despite the simulated attack. Germany’s response was marked by uncertainty, with a brigade already stationed in Lithuania remaining passive as Russian drones laid mines near a military installation.
Poland, while mobilising its forces, ultimately refrained from sending troops into Lithuania, highlighting a reluctance to engage directly. Franz-Stefan Gady, a military analyst who acted as the Russian chief of general staff in the exercise, noted, “Deterrence hinges not only on military capacity but also on perceptions of resolve. My ‘Russian colleagues’ and I understood that Germany would hesitate, which was enough to secure victory for us.”
Rising Tensions in Europe
The wargame occurs against a backdrop of escalating tensions across Europe, with increasing incursions by Russian drones and aircraft into NATO airspace over the past year. Experts suggest these actions serve as a probing tactic, testing NATO’s readiness and resolve. Netherlands Defence Minister Ruben Brekelmans commented on the evolving threat, stating, “Russia is positioned to mobilise large troop movements within a year, and we observe a significant increase in their strategic assets along NATO’s borders.”
Conducted in December by the German newspaper Die Welt in collaboration with the German Wargaming Centre at Helmut Schmidt University, the simulation underscores a critical moment for NATO’s collective security strategy.
Why it Matters
The findings of this wargame are a wake-up call for NATO and its member states, highlighting the urgent need for a unified and robust response to potential Russian aggression. As geopolitical tensions rise, the lessons learned from this exercise emphasise the importance of preparedness and decisive action in defending the integrity of NATO territories. The implications are clear: without a cohesive strategy, the alliance may risk not only the security of its eastern members but also the broader stability of Europe.
