On 14 September 2020, Ukrainian President Volodymyr Zelenskyy approved Ukraine's new National Security Strategy, "which provides for the development of the distinctive partnership with NATO with the aim of membership in NATO."[13][14][15] On 24 March 2021, Zelenskyy signed the Decree No. 117/2021 approving the "strategy of de-occupation and reintegration of the temporarily occupied territory of the Autonomous Republic of Crimea and the city of Sevastopol."[16]