Prime Minister of Canada Justin Trudeau, Italian Prime Minister Giorgia Meloni, Ukraine president Volodymyr Zelensky, European Commission president Ursula Von der Leyen and Prime Minister Alexander De Croo pictured during a commemoration with the Defense Forces' military men who participated in the defense of the Antonov airport in Hostomelin, Ukraine, Saturday 24 February 2024.

How should European security be reshaped in a time of conflict with Russia? What trendlines are emerging from the continuing Russia-Ukraine war, pivotal elections in the United States and Europe, roiling conflict in the Middle East, and Western tensions with China? How can the war in Ukraine be ended on acceptable terms and further Russian aggression against its neighbors be prevented? What urgent changes are needed to make Europe more resilient to interference, disruption, and attack? Brookings examines these and other questions in a series of analysis and commentary.