In a significant development on June 9, 2026, Ukraine and Estonia signed the Joint Declaration on Enhanced Security and Defense Cooperation. The signing took place during a meeting between Ukrainian President Volodymyr Zelenskyy and Estonian Prime Minister Kristen Michal.

The declaration encompasses a broad range of defense synergies, including security assistance, experience sharing, and cooperative initiatives in the defense industry and air defense systems. A notable aspect of the agreement is the commitment to developing multilayered missile defense capabilities across Europe. Additionally, the leaders reviewed progress on a forthcoming agreement under the Drone Deal framework, which is currently being evaluated by Estonia.

Beyond defense, the discussions also covered strategic responses to regional threats, emphasizing the need to intensify sanctions against the Russian Federation and address Russia’s shadow maritime activities in the Baltic Sea. President Zelenskyy highlighted ongoing efforts to fortify Ukraine’s air defense mechanisms and anti-ballistic measures benefitting the entire continent.

In a gesture of diplomatic camaraderie, President Zelenskyy awarded Prime Minister Michal the Order of Prince Yaroslav the Wise, II class, in recognition of Estonia’s steadfast support for Ukraine. The meeting also touched upon Ukraine’s aspirations for European Union membership, with expectations to advance negotiations significantly in the coming months.