Abstract The persistent escalation of geopolitical frictions in Europe and beyond has compelled a rigorous reassessment of nuclear deterrence paradigms, particularly as Russia‘s recent advancements in underwater and aerial strategic systems underscore vulnerabilities in existing defense architectures. This analysis addresses the core question of how the successful testing of the Poseidon nuclear-powered underwater drone and … Leggi tutto Russia’s Poseidon and Burevestnik Advancements: Strategic Deterrence Shifts in Nuclear Naval Competition, 2025