After the dissolution of the Soviet Union, Ukraine found itself in possession of a substantial nuclear arsenal. However, financial constraints and geopolitical concerns led to Ukraine voluntarily giving up its nuclear weapons. The Budapest Memorandum of 1994 had promised security assurances to Ukraine, but these were called into question when Russia annexed Crimea and backed separatist movements in Ukraine. The current conflict between Russia and Ukraine serves as a stark reminder of the vulnerabilities Ukraine faces without the protection of a nuclear deterrent. The situation underscores the importance of security alliances and the need for Ukraine to reassess its defense strategies in the face of ongoing geopolitical challenges.