USA.

Challenges for Cooperation of the Participating States in the Bucharest Nine Format in the Conditions of the Evolution of Security Threats on NATO's Eastern Borders. (Research Article)

The article reveals the challenges for cooperation of the participating states in the Bucharest Nine initiatives in the conditions of the evolution of security threats on NATO’s eastern borders. The preconditions, purpose and goals of the Bucharest Nine have been highlighted. The group composition of B9 participants on a territorial basis has been considered, namely: the Baltic countries (Estonia, Latvia, and Lithuania), the Visegrad Four countries (Poland, Slovakia, Hungary, and the Czech Republic), and the Black Sea countries (Bulgaria and Romania).