Zelensky: Ukraine Gave Up Nuclear Weapons for NATO Membership That Never Came
Ukrainian President Volodymyr Zelensky declared that Ukraine has only two paths to security: full NATO membership or access to nuclear weapons. The statement marks a significant escalation in Kyiv's rhetoric.
What Zelensky Said
In an interview with France's Le Monde on March 26-27, 2026, Zelensky made his most forceful case yet: "There are only two ways to protect Ukraine, either we join NATO, or we acquire nuclear weapons." He argued that Western security guarantees have proven empty, and that the U.S.-Iran war has diverted global attention from Ukraine's struggle.
Zelensky had made similar remarks in October 2024 but quickly walked them back. This time, he did not retreat, signaling a deliberate shift in strategy.
What Is the Budapest Memorandum?
To understand why this matters, you need to know what Ukraine gave up and what it was promised in return.
When the Soviet Union collapsed in 1991, Ukraine inherited the world's third-largest nuclear arsenal, roughly 1,900 strategic warheads, 176 intercontinental ballistic missiles (SS-19 and SS-24), and 44 strategic bombers. On paper, Ukraine was a nuclear superpower overnight.
On December 5, 1994, the United States, Russia, and the United Kingdom signed the Budapest Memorandum. The deal was simple: Ukraine gives up all its nuclear weapons. In return, the three powers commit to respecting Ukraine's independence, sovereignty, and existing borders. They pledge not to use force or economic coercion against Ukraine.
Ukraine fulfilled its end. The last warhead was transferred to Russia in June 1996. But there was a critical catch: these were political commitments, not legally binding security guarantees. No treaty was ratified. No enforcement mechanism existed.
Russia violated the memorandum openly, first by annexing Crimea in 2014, then by launching a full-scale invasion in February 2022. The U.S. and UK provided support to Ukraine but never intervened militarily, which is what a binding defense guarantee would have required.
Why It Matters Now
Zelensky's argument is straightforward: Ukraine trusted the international system, disarmed, and was invaded by one of the guarantors. The lesson for every nation considering nuclear disarmament is devastating. If a country surrenders its weapons based on promises, and those promises are broken with no consequences, why would any country ever disarm again?
Ukraine applied for accelerated NATO membership in September 2022, but membership while an active conflict rages remains unlikely. The Trump administration's skepticism toward NATO has further complicated Ukraine's prospects.