Chapter 1. Ukraine's Integration into NATO: Historical Processes, Strategic Dynamics, Scenarios, and Policy Implications; Andrzej Soboo, Piotr Gawliczek, and Jerzy Tomasik Chapter 2. Euro-Atlantic Integration of Ukraine: Experiences, Prospects and Challenges; Ilona Urych, Vitalii Suprun, Gastone Breccia, and Robert Boroch Chapter 3. Evolution of Baltic and Polish Defence Budgets Amidst Russian Aggression; Eugeniusz Cieslak, Sandis Sraders, George Spencer Terry, and Viljar Veebel Chapter 4. War Weariness and National Defence Spendings in the Context of the Russian Federation's Aggression against Ukraine: The Case of Romania and Poland; Alexandru Lucinescu and Marta Gebska Chapter 5. NATO's Collective Defence: Lessons from the Russia-Ukraine War; Leszek Elak, Jaroslaw Gryz, and Tadeusz Zielioski Chapter 6. Economic Defence and Readiness in Total Defence Systems: A Comparative Perspective; Ivan Okromtchedlishvili Chapter 7. Economic Defence in Wartime and Transatlantic Solidarity: The Case of Ukraine and NATO; Ivan Okromtchedlishvili Chapter 8.

Developing Human Resource Reserves during Security Crises: Theoretical and Practical Perspectives on Normality and Challenges; Dorel Badea, Diana Elena Ranf, and Elisabeta-Emilia Halmaghi Chapter 9. Reassessing Collective Defence: NATO, Russia, and the Return of Territorial Threats; Roman Janjulia and Bachuki Gakharia Chapter 10. Defence Resources Implications of the Conflict in Ukraine on European Countries; Maria Constantinescu and Paul Tudorache Chapter 11. How Labour Management in Defence Is Affected by Biases on NATO's Eastern Flank: The Romanian Example; Vlad Dumitrache and Brîndua Maria Popa Chapter 12. The Geoeconomics of the Geopolitics of Maritime Security: The Crisis in the Middle East and Red Sea; Nikolaos Deniozos and Theodoros V. Stamatopoulos.