Part I: Maritime as a Concept -- The Global Order at Sea: From a Hierarchy of Power to Hierarchical Legitimacy? / Alessio Patalano -- The Sea as an Institution: A Constructivist Approach to Maritime Spaces / Marcelo M. Valença and Daniel Edler Duarte -- Beyond the Blue Amazon: The Brazilian Vocation to the South Atlantic / Vinicius Mariano de Carvalho -- Maritime States and the Value of the Sea / José Augusto Abreu de Moura -- Part II: Global and Regional Security at Sea -- The Washington Naval Conference, 1921-22: A Blue-Print for a Modern Sino-American Naval Disarmament Agreement? / Greg Kennedy -- Brazilian Naval Strategic Thought from 1822 to the Present / Francisco Eduardo Alves de Almeida -- Islands, Amphibious Operations and the 21st Century / Geoffrey Till -- The Role of the Domestic in Low-Intensity Maritime Conflict: A Cod Wars Perspective / William Reynolds -- The Weaponisation of the Eastern Mediterranean: Refugees as the Trojan Horse for Diplomatic Bargaining / Anastasia Filippidou -- State Cooperation for Maritime Security in the Gulf of Guinea / Victoria Mitchell -- Part III: Technology and Economics in the Maritime Domain -- Naval History, Maritime Strategy, and the Role of Technology / David Morgan-Owen and Richard Dunley -- Welfare Gains in the Maritime Domain: A Comparative Analysis of Defence Industrial Policies and Shipbuilding in the United Kingdom and Brazil / Matthew Uttley, William S. Moreira and Sabrina E. Medeiros -- The Evolution of Brazil's Nuclear Program: Policy and the Multiple Drivers for the Nuclear-powered Submarine / Nival Nunes de Almeida and Gustavo André Pereira Guimarães -- Blue Economy beyond Maritime Economics / Thauan Santos -- Part IV: Law, Governance, and Futures of the Seas -- The New Territorialisation of the Seas / André P. Beirão -- Maritime Autonomous Surface Ships and the International Law of the Sea: A South Atlantic Perspective / Rafael Zelesco Barretto -- The South Atlantic and Possible Future Armed Conflicts / Claudio M. Rodrigues -- Futures for the Maritime Domain: Signs and Trends that Shape Scenarios / Adriano Lauro and Claudio R. Correa.