After the fall of the Soviet Union, Ukraine inherited a significant nuclear stockpile. However, due to financial burdens and geopolitical risks, Ukraine made the decision to relinquish these nuclear weapons. The 1994 Budapest Memorandum promised security guarantees to Ukraine, but these guarantees were called into question when Russia annexed Crimea and supported separatists in Ukraine. The current Russia-Ukraine conflict has brought to light the vulnerabilities of Ukrainian security in the absence of nuclear deterrence. The repercussions of Ukraine giving up its nuclear weapons have become apparent in the face of ongoing tensions with Russia. The situation underscores the complex geopolitical landscape in Eastern Europe and the challenges faced by Ukraine in ensuring its national security. It also serves as a cautionary tale for other nations considering disarmament. The need for reliable security assurances and a strong defense strategy is paramount for Ukraine as it navigates the complexities of its relationship with Russia. The international community continues to monitor the situation closely as tensions persist between Ukraine and Russia.