EN
The article analyses main tendencies and changes in NATO-Ukrainian military and political cooperation during the first 100 days of Petro Poroshenko’s presidential term. The purpose of the article is threefold. First, to analyse the existing Ukrainian – NATO relationships and main political factors (domestic and international) that influenced them at the beginning of Poroshenko’s term in office. Second, to present main outcomes of scientific research and political debate on Ukrainian perspectives for NATO membership. Finally, to define and analyse aspects that might put impact on Ukrainian and International position on possible forms of Ukrainian cooperation with NATO in the nearest future. Last but not least, the author summarises the role of NATO issue in President Poroshenko’s agenda during his first months in office and perspectives for Ukraine that appeared during this time period.