This handbook provides a comprehensive, problem-driven and dynamic overview of the future of warfare. The volatilities and uncertainties of the global security environment raise timely and important questions about the future of humanity’s oldest occupation: war. This volume addresses these questions through a collection of cutting-edge contributions by leading scholars in the field. Its overall focus is prognostic rather than futuristic, highlighting discernible trends, key developments and themes without downplaying the lessons from the past. By making the past meet the present in order to envision the future, the handbook offers a diversified outlook on the future of warfare, which will be indispensable for researchers, students and military practitioners alike. The volume is divided into six thematic sections. Section I draws out general trends in the phenomenon of war and sketches the most significant developments, from the past to the present and into the future. Section II looks at the areas and domains which actively shape the future of warfare. Section III engages with the main theories and conceptions of warfare, capturing those attributes of contemporary conflicts which will most likely persist and determine the dynamics and directions of their transformations. The fourth section addresses differentiation and complexity in the domain of warfare, pointing to those factors which will exert a strong impact on the structure and properties of that domain. Section V focuses on technology as the principal trigger of changes and alterations in the essence of warfare. The final section draws on the general trends identified in Section I and sheds light on how those trends have manifested in specific local contexts. This section zooms in on particular geographies which are seen and anticipated as hotbeds where future warfare will most likely assume its shape and reveal its true colours. This book will be of great interest to students of strategic studies, defence studies, war and technology, and International Relations.

This new Handbook offers a comprehensive overview of contemporary extensions and alternatives to the just war tradition in the field of the ethics of war. The modern history of just war has typically assumed the primacy of four particular elements: jus ad bellum, jus in bello, the state actor, and the solider. This book will put these four elements under close scrutiny, and will explore how they fare given the following challenges: • What role do the traditional elements of jus ad bellum and jus in bello—and the constituent principles that follow from this distinction—play in modern warfare? Do they adequately account for a normative theory of war? • What is the role of the state in warfare? Is it or should it be the primary actor in just war theory? • Can a just war be understood simply as a response to territorial aggression between state actors, or should other actions be accommodated under legitimate recourse to armed conflict? • Is the idea of combatant qua state-employed soldier a valid ethical characterization of actors in modern warfare? • What role does the technological backdrop of modern warfare play in understanding and realizing just war theories? Over the course of three key sections, the contributors examine these challenges to the just war tradition in a way that invigorates existing discussions and generates new debate on topical and prospective issues in just war theory. This book will be of great interest to students of just war theory, war and ethics, peace and conflict studies, philosophy and security studies.

This comprehensive new Handbook explores the significance and nature of armed intrastate conflict and civil war in the modern world. Civil wars and intrastate conflict represent the principal form of organised violence since the end of World War II, and certainly in the contemporary era. These conflicts have a huge impact and drive major political change within the societies in which they occur, as well as on an international scale. The global importance of recent intrastate and regional conflicts in Afghanistan, Pakistan, Iraq, Somalia, Nepal, Cote d'Ivoire, Syria and Libya – amongst others – has served to refocus academic and policy interest upon civil war. Drawing together contributions from key thinkers in the field who discuss the sources, causes, duration, nature and recurrence of civil wars, as well as their political meaning and international impact, the Handbook is organised into five key parts: Part I: Understanding and Explaining Civil Wars: Theoretical and Methodological Debates Part II: The Causes of Civil Wars Part III: The Nature and Impact of Civil Wars Part IV: International Dimensions Part V: Termination and Resolution of Civil Wars Covering a wide range of topics including micro-level issues as well as broader debates, Routledge Handbook of Civil Wars will set a benchmark for future research in the field. This volume will be of much interest to students of civil wars and intrastate conflict, ethnic conflict, political violence, peace and conflict studies, security studies and IR in general.

This volume provides an authoritative, cutting-edge resource on the characteristics of both technological and social change in warfare in the twenty-first century, and the challenges such change presents to international law. The character of contemporary warfare has recently undergone significant transformation in several important respects: the nature of the actors, the changing technological capabilities available to them, and the sites and spaces in which war is fought. These changes have augmented the phenomenon of non-obvious warfare, making understanding warfare one of the key challenges. Such developments have been accompanied by significant flux and uncertainty in the international legal sphere. This handbook brings together a unique blend of expertise, combining scholars and practitioners in science and technology, international law, strategy and policy, in order properly to understand and identify the chief characteristics and features of a range of innovative developments, means and processes in the context of obvious and non-obvious warfare. The handbook has six thematic sections: Law, war and technology Cyber warfare Autonomy, robotics and drones Synthetic biology New frontiers International perspectives. This interdisciplinary blend and the novel, rich and insightful contribution that it makes across various fields will make this volume a crucial research tool and guide for practitioners, scholars and students of war studies, security studies, technology and design, ethics, international relations and international law.

The Routledge Handbook of Civil-Military Relations not only fills this important lacuna, but offers an up-to-date comparative analysis which identifies three essential components in civil-military relations: (1) democratic civilian control; (2) operational effectiveness; and (3) the efficiency of the security institutions. This Handbook will be essential reading for students and practitioners in the fields of civil-military relations.

The Routledge Handbook of Defence Studies provides a comprehensive collection of essays on contemporary defence studies by leading international scholars. Defence studies is a multi-disciplinary study of how agents, predominantly states, prepare for and go to war. Whereas security studies has been broadened and stretched to cover at times the near totality of international and domestic affairs, and war studies has come to mean not just operations and tactics but also experiences and outcomes, defence studies remains a coherent area of study primarily aimed at how defence policy changes over time and in relation to stimulating factors such as alterations in power, strategy and technology. This new Handbook offers a complete landscape of this area of study and contributes to a review of defence studies in terms of policy, security and war, but also looks forward to new challenges to existing conceptions of defence and how this is changing as states and their militaries also change. The volume is divided into four thematic sections: Defence as Policy; Defence Practice; Operations and Tactics; and Contemporary Defence Issues. The ability to review the field while also looking forward to further research is an important element of a sustainable text on defence studies. In as much as this volume is able to highlight the main themes of defence studies, it also offers an in-depth look into how defence issues can be examined and compared in a contemporary setting. This Handbook will be of great interest to students of defence studies, strategic studies, war studies, security studies and IR.

This handbook comprises essays by leading scholars and practitioners on the topic of U.S. counterterrorism and irregular warfare campaigns and operations around the globe. Terrorist groups have evolved substantially since 9/11, with the Islamic State often described as a pseudo-state, a terrorist group, and insurgency all at the same time. While researchers', analysts', and policymakers’ understanding of terrorism has grown immensely over the past two decades, similar advancements in the understanding of counterterrorism lag. As such, this handbook explains why it is necessary to take a broader view of counterterrorism which can, and often does, include irregular warfare. The volume is divided into three thematic sections: Part I examines modern terrorism in the Islamic world and gives an overview of the major terrorist groups from the past three decades; Part II provides a wide variety of case studies of counterterrorism and irregular warfare operations, spanning from the 1980s to the irregular warfare campaign against the Islamic State in northern Syria in 2018; Part III examines the government instruments used to combat terrorism and wage irregular warfare, such as drones, Theater Special Operations Commands, and Theater Commands. The handbook fills a gap in the traditional counterterrorism literature by its inclusion of irregular warfare and by providing analyses from academic experts as well as practitioners. It will be of much interest to students of counterterrorism, counterinsurgency, U.S. national security, military affairs, and International Relations. The Open Access version of this book, available at https://www.routledge.com/Routledge-Handbook-of-US-Counterterrorism-and-Irregular-Warfare-Operations/Sheehan-Marquardt-Collins/p/book/9780367758363, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license.