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The Five Eyes grouping is the oldest and most integrated international security partnership in modern history. In practice, it is an amalgamation of many smaller, often informal, joint meetings, operations and exchanges arranged around specific national security, law enforcement and strategic issues. Practical, issues-based cooperation based on working-level engagement and trust has allowed Five Eyes to grow in an organic way.
However, the challenges facing Five Eyes nations, and the liberal international order they support, demand that the grouping moves to a new era of cooperation that is more expansive, coordinated and strategic. If it can achieve this, Five Eyes could form the nucleus for a wider concert of democratic nations; a type of coalition that many have argued is essential to fortifying the liberal order against the security challenges of the 21st century.