After the fall of the Soviet Union, Ukraine inherited a significant nuclear stockpile. Despite possessing these nuclear weapons, Ukraine decided to relinquish them due to financial burdens and geopolitical risks. The 1994 Budapest Memorandum promised security guarantees to Ukraine, however, these guarantees proved to be unreliable when Russia annexed Crimea and supported separatists in Ukraine. The current Russia-Ukraine conflict underscores the vulnerabilities of Ukrainian security without nuclear deterrence. In a strategic move, Ukraine gave up its nuclear arsenal in exchange for security assurances from Russia, the United States, and the United Kingdom. However, the violation of these assurances has left Ukraine exposed to Russian aggression. The lack of a nuclear deterrent has left Ukraine at a disadvantage in the ongoing conflict with Russia. The situation has reignited debates on the role of nuclear weapons in ensuring national security. As Ukraine continues to navigate through this challenging geopolitical landscape, the importance of reliable security guarantees and the implications of denuclearization have come to the forefront. The international community closely monitors the developments in the region as tensions between Ukraine and Russia remain high. The unresolved conflict serves as a reminder of the complex interplay between nuclear disarmament, national security, and international relations.