This collection reflects on the significance of the 9/11 terrorist attacks for the transatlantic alliance. Offering an analysis of NATO's evolution since 2001, it examines key topics such as the alliance's wars in Afghanistan, its military operation in Libya, global partnerships, burden-sharing and relations with the US and Russia.

Mark Webber, University of Birmingham, UKMichael Rühle, NATO's Emerging Security Challenges DivisionCarl Cavanagh Hodge, University of British Columbia-Okanagan, CanadaTerry Terriff, University of Calgary, CanadaTim Bird, King's College London, UKJeffrey H. Michaels, King's College London, UKMagnus Petersson, Norwegian Institute for Defence Studies, NorwaySteve Marsh, Cardiff University, UKAlan Dobson, University of Dundee, UKMagnus Christiansson, Swedish National Defence College, SwedenSven Biscop, Egmont Royal Institute for International Relations in Brussels, BelgiumTrine Flockhart, Danish Institute for International StudiesBastian Giegerich, Bundeswehr Centre for Military History and Social Sciences

Introduction PART I: A NEW PARADIGM FOR NATO? 1. NATO after 9/11: Theoretical Perspectives; Mark Webber 2. Reflections on 9/11: A View from NATO; Micheal Ruhle 3. A Sense of Return: A Sense of Return: NATO's Libyan Intervention in Perspective; Carl Hodge PART II: THE TRANSFORMATION OF NATO 4. 'Déjà vu all over again`? September 11 2001 and NATO Military Transformation; Terry Teriff 5. NATO in Afghanistan; Tim Bird 6. Just an 'Internal Exercise?' NATO and the 'New' Security Challenges; Magnus Petersson 7. Fine Words, Few Answers: NATO's not so new New Strategic Concept; Steve Marsh& Alan Dobson 8. Pooling, Sharing and Specialising: The Age of Austerity ad the Euro-Atlantic Security Architecture; Magnus Christiansson 9. At the End of its Tether? NATO's Intervention in Libya; Jeff Michaels PART III: RELATIONSHIPS AND PARTNERSHIPS 10. Between Hope and Realism: the US, NATO and a Transatlantic Bargain for the 21st Century; Ellen Hallams 11. A Bipolar Alliance for a Multipolar World: NATO and the EU; Sven Biscop 12. NATORussia Relations after 9/11: New Challenges, Old Issues; Luca Ratti 13. NATO's Global Partnerships - A Haphazard Strategy?; Trine Flockhart 14. NATO and Interorganizational Cooperation; Bastian Giegerich PART IV: CONCLUSION - NATO'S RETRENCHMENT?