NATO's Return to Europe

NATO’s 2010 Strategic Concept officially broadened the alliance’s mission beyond collective defense, reflecting a peaceful Europe and changes in alliance activities. NATO had become an international security facilitator, a crisis-manager even outside Europe, and a liberal democratic club as much as a mutual-defense organization. However, Russia’s re-entry into great power politics has changed NATO’s strategic calculus. Russia’s aggressive annexation of Crimea in 2014 and its ongoing military sup