May 14 occupies a symbolic place in Russia’s military imagination. It marks the anniversary of the creation of the Warsaw Pact in 1955 and, nearly half a century later, the founding of the Collective Security Treaty Organization (CSTO) in 2002.
The irony is difficult to miss: As the Kremlin works relentlessly to portray NATO as divided and hollow, Russia’s own security alliance system is showing signs of decay and it has become a symbol of Russia’s declining influence.
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The Soviet Union and seven of its European satellites signed the Warsaw Pact creating a formal counterweight to NATO. The Pact formally dissolved in 1991, but the strategic mindset behind it did not disappear. While presented as a system of collective defense, it functioned for many Eastern European states as an instrument of Soviet control rather than genuine partnership. The invasions of Hungary in 1956 and Czechoslovakia in 1968 laid bare the limits of sovereignty when Kremlin interests were at stake.
The Warsaw Pact may be gone, but Russia’s buffer zones and spheres of influence continue to shape Putin’s foreign policy today.
The CSTO was built as a Russian-led security framework originating in the Collective Security Treaty of 1992. Yet its limits are increasingly growing. Member states are openly questioning Moscow’s reliability as a partner.
Armenia has experienced Russia’s “friendship” first-hand. Despite being a founding member, its ties with Russia and the CSTO eroded after the Nagorno-Karabakh conflict, when appeals for support went unanswered and the alliance failed to intervene. When Azerbaijan completed its takeover in 2023, Russian peacekeepers stood by, reinforcing the perception that CSTO commitments follow Russian interests. Then in 2024, Armenia froze its CSTO membership. Armenia is now moving closer to the European Union, prompting Russian Foreign Ministry spokesperson Maria Zakharova to warn that this would lead to “irreversible involvement in Brussels’ anti-Russian line,” with political and economic consequences for Armenia.
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