After the dissolution of the Soviet Union, Ukraine acquired a substantial nuclear stockpile. However, due to financial constraints and geopolitical concerns, Ukraine made the decision to disarm itself of these nuclear weapons. The 1994 Budapest Memorandum was supposed to provide security assurances to Ukraine, but these guarantees were called into question when Russia annexed Crimea and backed separatist movements in Ukraine. The current conflict between Russia and Ukraine underscores the security challenges faced by Ukraine without the protection of nuclear deterrence. The vulnerability of Ukrainian security in the absence of nuclear weapons is a critical issue in the ongoing tensions between the two countries. Ukraine’s decision to give up its nuclear arsenal has left it exposed to potential threats from neighboring nations, particularly Russia. The need for reliable security assurances and strategic defense measures is more pressing than ever for Ukraine in the face of these ongoing challenges.