International Humanitarian Law Commons^™

Common Article 1 And The Duty To "Ensure Respect", Michael N. Schmitt, Sean Watts

International Law Studies

Common Article 1 to the four 1949 Geneva Conventions requires Parties to those instruments to “respect and to ensure respect for the present Convention in all circumstances.” The provision is a corollary to the general international legal obligation of States to honor their treaty commitments, expressed classically in the maxim pacta sunt servanda.

Yet, academics and private organizations now use Common Article 1 as a vehicle to reimagine States’ enforcement obligations under the Geneva Conventions. Reinterpreting the article beyond its original meaning, they claim the article includes an “external” obligation—a duty on the part of all States to use …

Autonomous Cyber Weapons And Command Responsibility, Russell Buchan, Nicholas Tsagourias

International Law Studies

Autonomous cyber weapons have made their way onto the battlefield, raising the question of whether commanders can be held criminally responsible under command responsibility when war crimes are committed. The doctrine of command responsibility has a long history in international criminal law and comprises three core elements: the existence of a superior-subordinate relationship, the commander’s knowledge of the crime, and the commander’s failure to prevent or repress the subordinate’s criminal actions. This article unpacks the content of these elements and applies them to autonomous cyber weapons by treating them as being analogous to soldiers since they operate within an organized …

The Human Dimension Of Peace And Aggression, Chiara Redaelli

International Law Studies

Since the adoption of the Charter of the United Nations, the current international legal framework has drastically changed. In its traditional understanding, aggression is “the supreme international crime” aimed at protecting sovereignty and the territorial integrity of states. On the other hand, the U.N. Charter endorses an understanding of peace in the negative sense, that is, as mere absence of war. As human rights have gained momentum, they have helped reshape the legal landscape, a phenomenon referred to as the humanization of international law. How do peace and aggression fit within the humanized legal framework? This article will investigate the …

Autonomy And Precautions In The Law Of Armed Conflict, Eric Talbot Jensen

International Law Studies

Already a controversial topic, legal debate and broader discussions concerning the amount of human control required in the employment of autonomous weapons—including autonomous cyber capabilities—continues. These discussions, particularly those taking place among States that are Parties to the 1980 Certain Conventional Weapons Convention, reveal a complete lack of consensus on the requirement of human control and serve to distract from the more important question with respect to autonomy in armed conflict: under what conditions could autonomous weapons “select” and “attack” targets in a manner that complies with the law of armed conflict (LOAC).

This article analyzes the specific LOAC rules …

The Interplay Of International Obligations Connected To The Conduct Of Others: Toward A Framework Of Mutual Compliance Among States Engaged In Partnered Warfare, Berenice Boutin

International Law Studies

This article examines international obligations that arise in relation to the conduct of other States, and analyzes how they apply and interact in the context of partnered warfare. It investigates rules of State responsibility relevant to the context of partnered warfare, as well as primary norms that impose obligations connected to the conduct of others. In essence, they consist of obligations not to actively help to or to blindly let others do what a State would not do itself. It is argued that, taken together, these rules form the contour of an overarching framework of mutual compliance among States cooperating …

Will Cyber Autonomy Undercut Democratic Accountability?, Ashley Deeks

International Law Studies

In recent years, legislative bodies such as the U.S. Congress and the U.K. Parliament have struggled to maintain a role for themselves in government decisions to conduct military operations against foreign adversaries. Some of these challenges arise from constitutional structures, but they are also due to the changing nature of conflict: a shift away from large-scale kinetic operations and toward smaller-scale operations—including cyber operations—that are less visible and that do not require robust legislative support. These modern operations leave legislatures to engage in ex post and sometimes ineffective efforts to hold their executive branches accountable for international uses of force …

Autonomous Cyber Capabilities Below And Above The Use Of Force Threshold: Balancing Proportionality And The Need For Speed, Peter Margulies

International Law Studies

Protecting the cyber domain requires speedy responses. Mustering that speed will be a task reserved for autonomous cyber agents—software that chooses particular actions without prior human approval. Unfortunately, autonomous agents also suffer from marked deficits, including bias, unintelligibility, and a lack of contextual judgment. Those deficits pose serious challenges for compliance with international law principles such as proportionality.

In the jus ad bellum, jus in bello, and the law of countermeasures, compliance with proportionality reduces harm and the risk of escalation. Autonomous agent flaws will impair their ability to make the fine-grained decisions that proportionality entails. However, a …

Special Rules Of Attribution Of Conduct In International Law, Marko Milanovic

International Law Studies

Are there are any special rules of attribution in international law? Are there, in other words, imputational rules that are not recognized as such in general international law, but are specific to particular branches of international law? This is the first article to systematically analyze the notion of special rules of attribution in international law. In particular, it searches for such rules in international humanitarian law, the law on the use of force, and European human rights law.

The article argues that, to the extent special rules of attribution exist, they are rare and never uncontroversial. In most situations, putative …

Lethal Autonomous Weapon Systems: Translating Geek Speak For Lawyers, Linell A. Letendre

International Law Studies

This article provides an overview of robotics and autonomous systems so that attorneys can better understand the systems and design principles of lethal autonomous weapon systems (LAWS) that may be used in an armed conflict. Using the lens of establishing a common language between engineers and attorneys, the article introduces the basics of robotics terminology, explores how autonomous systems work by explaining control systems and control architecture, and examines how autonomous systems learn and reason. It also suggests a number of questions attorneys should ask engineers during the design process in order to ensure autonomous systems are designed in a …

Beyond Human Shielding: Civilian Risk Exploitation And Indirect Civilian Targeting, Geoffrey S. Corn

International Law Studies

Few violations of the law of armed conflict (LOAC) are as pernicious as using civilians to shield military objectives from attack. This unlawful tactic unfortunately seems to be an all too common practice of organized armed groups, especially in conflicts against tactically superior conventional state armed forces. The very term "human shielding" presupposes, however, the ultimate objective is to prevent an opponent from attacking the shielded military objective or, in the alternative, substantially complicate that attack decision. But is a shielding effect always the ultimate objective of such civilian exploitation? This article argues that the answer is no; that there …

Strategic Proportionality: Limitations On The Use Of Force In Modern Armed Conflicts, Noam Lubell, Amichai Cohen

International Law Studies

The nature of modern armed conflicts, combined with traditional interpretations of proportionality, poses serious challenges to the jus ad bellum goal of limiting and controlling wars. In between the jus ad bellum focus on decisions to use force, and the international humanitarian law (IHL) regulation of specific attacks, there is a far-reaching space in which the regulatory role of international law is bereft of much needed clarity. Perhaps the most striking example is in relation to overall casualties of war. If the jus ad bellum is understood as applying to the opening moments of the conflict, then it cannot provide …

The Legal Characterization Of Lethal Autonomous Maritime Systems: Warship, Torpedo, Or Naval Mine?, Hitoshi Nasu, David Letts

International Law Studies

With the rapid advances in autonomous navigation and artificial intelligence technology, naval industries are edging closer to the development of unmanned maritime platforms with lethal autonomous capability—lethal autonomous maritime systems (LAMS). The emergence of LAMS as a sui generis hybrid weapon system will almost certainly generate disagreement on their legal status. Currently, there is no agreement among States as to whether LAMS should legally be characterized as warships or other means of warfare, such as torpedoes and naval mines. This lack of certainty represents a significant deficiency with potential strategic and operational implications if left unresolved. To assist States in …

The (Erroneous) Requirement For Human Judgment (And Error) In The Law Of Armed Conflict, Eric Talbot Jensen

International Law Studies

One of the most intriguing and important discussions in international law is the potential impact of emerging technologies on the law of armed conflict (LOAC), including weapons that incorporate machine learning and/or artificial intelligence. Because one of the likely characteristics of these advanced weapons would be the ability to make decisions implicating life and death on the battlefield, these discussions have highlighted a fundamental question concerning the LOAC: Does the law regulating armed conflict require human input in selecting and engaging targets or can that decision be made without human input? This article analyzes views expressed by scholars and NGOs, …

The Unlawfulness Of A “Bloody Nose Strike” On North Korea, Kevin Jon Heller

International Law Studies

The United States has reportedly been debating whether to "react to some nuclear or missile test with a targeted strike against a North Korean facility to bloody Pyongyang’s nose and illustrate the high price the regime could pay for its behavior." This article asks a simple question: would such a “bloody nose strike” (BNS) violate the jus ad bellum?

Providing a coherent answer is complicated by the lack of clarity surrounding the United States’ planning. In particular, the U.S. government has not specified what kind of provocation it believes would justify launching a BNS, has not identified precisely what …

Twelve Key Questions On Self-Defense Against Non-State Actors, Terry D. Gill, Kinga Tibori-Szabó

International Law Studies

This article examines the most pertinent questions relating to the applicability of the right of self-defense to attacks conducted by non-State armed groups (NSAGs) acting independently of State control from the territory of one or more States against the territory of another State. These questions are approached from the perspective of legality (does the right of self-defense apply to attacks not mounted by or under the control of a State) and modality (assuming the applicability of self-defense to such attacks; how do the principles of necessity, proportionality and immediacy affect its application)? Starting with an assessment of the place of …

The Occupation Of Maritime Territory Under International Humanitarian Law, Marco Longobardo

International Law Studies

This article explores whether it is possible to apply the law of occupation beyond land territory, to maritime areas characterized here as “maritime territory.” The article argues that the definition of territory under Article 42 of the 1907 Hague Regulations comprises internal waters, territorial sea, and archipelagic waters, whereas other areas such as the continental shelf, the exclusive economic zone, and high seas fall outside the scope of Article 42. Accordingly, internal waters, the territorial sea, and archipelagic waters may be placed under occupation if a hostile force exercises actual authority over them without valid legal title. The article describes …

Can We Starve The Civilians? Exploring The Dichotomy Between The Traditional Law Of Maritime Blockade And Humanitarian Initiatives, Phillip J. Drew

International Law Studies

The contemporary practice of maritime blockade can trace its origins to the Dutch Placaat of 1564, under which the Dutch Navy enforced the closure of Spanish ports to maritime traffic, both inbound and outbound. Although originally designed to stop all military reinforcements from reaching an area, in the ensuing 450 years, blockade has developed into a method of warfare whose effects are primarily economic. As a result of the urbanization of much of the world’s population over the past 200 years, many States have become heavily reliant on imported foodstuffs and commodities, most of which moves by sea. When those …

Armed Groups And The Protection Of Health Care, Ezequiel Heffes

International Law Studies

That armed groups have been responsible for attacks against health care personnel and for violating the protection of health care is not news. This is one of the greatest humanitarian challenges of contemporary armed conflict. Armed groups, however, have also attempted to evacuate and treat wounded enemy fighters and civilians and, in certain contexts, they have even provided health care services for the civilian population living in the territories under their control. This article describes some of the key issues related to the variation of armed groups’ behaviors when dealing with the protection of health care, inquiring into why some …

Classification Of Cyber Capabilities And Operations As Weapons, Means, Or Methods Of Warfare, Jeffrey T. Biller, Michael N. Schmitt

International Law Studies

Despite several persistent controversies regarding how international law applies to cyber operations during an armed conflict, general understanding of the law in this domain is maturing. Reasoning by analogy to non-cyber application and interpretation of international law underlies much of the progress. Yet, although preexisting normative structures and legal terminology enable legal advisors and scholars to usefully draw upon previously acquired experience and understanding, there are obstacles to definitive analogizing that result from fundamental differences between cyber and kinetic operations. The number of imperfect analogies that underlie some of the normative uncertainty in the field underscores this point.

One key …

The Legal Fog Of An Illusion: Three Reflections On "Organization" And "Intensity" As Criteria For The Temporal Scope Of The Law Of Non-International Armed Conflict, Jann K. Kleffner

International Law Studies

The "organization" of the non-State armed group and the "intensity" of the violence between it and its opponent(s) have emerged as the two key criteria to determine the temporal scope of the law of non-international armed conflict. These criteria have served to lift the fog of law in some important respects. Yet, several aspects of the temporal scope of the law of non-international armed conflict remain unsettled. This article addresses three of them, namely the assertion that the factors for ascertaining organization and intensity that have evolved in the jurisprudence of international criminal courts and tribunals are indicative rather than …

Indeterminacy In The Law Of Armed Conflict, Adil Ahmad Haque

International Law Studies

Controversy and confusion pervade the law of armed conflict. Its most basic rules may seem ambiguous, vague, incomplete, or inconsistent. The prevailing view of customary international law confronts serious problems, in principle and in practice, when applied to the customary law of armed conflict. Legal indeterminacy, in its different forms, might be reduced or resolved in light of the object and purpose of the law of armed conflict, or by taking into account other relevant rules of international law. Unfortunately, the purpose of the law of armed conflict is itself the subject of deep disagreement. So is the relationship between …

Beyond Geneva: Detainee Review Processes In Non-International Armed Conflict—A U.S. Perspective, Ryan J. Vogel

International Law Studies

The need for detainee review in non-international armed conflict has never been more imperative. Yet, the law of armed conflict is almost completely silent on the subject. Although the law may not require States to conduct detainee review processes in non-international armed conflict, the spirit of the law encourages it, and States—particularly the United States—have begun to see utility in the development and implementation of such review processes. The object of this article is to identify an appropriate framework for detainee review, examine relevant U.S. state practice, and provide practical guidelines for implementing processes to review the status and threat …

Medical Care In Urban Conflict, Kenneth Watkin

International Law Studies

The potential for urban violence is increasing as the world population continues to migrate towards cities. Recent examples of urban warfare with insurgent groups has occurred in Damascus, Mosul, Raqqa, Marawi, Ramadi, and Fallujah, although non-State actor conflict covers a wide range of violence from ordinary crime, to terrorism and transnational crime, to near conventional conflict. Further, transnational terrorist groups have sought to extend the conflict into countries seen as the “far enemy.” A key issue is determining if an armed conflict is in existence so that the protective focus of international humanitarian law regarding the provision of medical care …

Humanitarian Logic And The Law Of Siege: A Study Of The Oxford Guidance On Relief Actions, Sean Watts

International Law Studies

In terms of human suffering, few military operations have rivaled sieges and comparably harsh legal regimes have governed them. At a time when legal vindication of humanitarian interests in armed conflict is ascendant, conventional accounts of the law of war governing humanitarian relief may seem out of step, plagued with glaring gaps in humanitarian logic. In 2016, Oxford University professors published a United Nations-commissioned legal study—the Oxford Guidance on the Law Relating to Humanitarian Relief Operations in Situations of Armed Conflict. The Guidance contends that during armed conflict international law prohibits belligerents from arbitrarily denying offers of humanitarian relief …

International Humanitarian Law And The Targeting Of Data, Tim Mccormack

International Law Studies

The 2013 publication of the Tallinn Manual on the International Law Applicable to Cyber Warfare confirmed the view of the majority of the international group of experts that data was not an object and therefore not subject to the rules of targeting during an armed conflict. Intuitively, a number of scholars reacted negatively to this view, and instead were drawn to the Tallinn Manual minority position that data did constitute an object. The significance of data, particularly personal data, is only increasing, and the purpose of the law of armed conflict is to reduce the deleterious impact of armed conflict …

Weapons Review Obligation Under Customary International Law, Natalia Jevglevskaja

International Law Studies

Under Article 36 of the 1977 Additional Protocol I to the Geneva Conventions, States are required to review new weapons for their compliance with international law. While recent discussions on the regulation of lethal autonomous weapons systems under the auspices of the UN Certain Conventional Weapons Convention increasingly emphasize the importance of national weapons review mechanisms, Article 36 is known to be implemented only by a handful of States. Some legal scholars have nonetheless argued that the Article 36 obligation has attained customary international law status. Remarkably, substantive analysis of State practice and opinio juris required to evidence that certain …

Are Enhanced Warfighters Weapons, Means, Or Methods Of Warfare?, Rain Liivoja, Luke Chircop

International Law Studies

Advances in science and technology have made it possible to improve the physical and cognitive capabilities of warfighters by biomedical interventions, such as the administration of drugs, the implantation of devices, and the magnetic stimulation of the brain. These advances raise the question as to whether enhanced warfighters ought to be considered weapons, means of warfare, or methods of warfare, for the purposes of the law of armed conflict. An affirmative answer to this question would make human enhancement subject to various restrictions arising from the law of armed conflict as well as arms control law. This article disagrees with …

Belligerent Obligations Under Article 18(1) Of The Second Geneva Convention: The Impact Of Sovereign Immunity, Booty Of War, And The Obligation To Respect And Protect War Graves, Wolff Heintschel Von Heinegg

International Law Studies

Article 18(1) of the Second Geneva Convention requires parties to an international armed conflict, “after each engagement” and “without delay,” to “take all possible measures to search for and collect the wounded and sick, to protect them against pillage and ill-treatment, to ensure their adequate care, and to search for the dead and prevent their being despoiled.” This article focuses on the latter obligation: the duty to search for and collect the dead. It assesses this obligation in light of the International Committee of the Red Cross 2017 Commentary on the Second Geneva Convention, the first such commentary completed by …

The Updated Icrc Commentary On The Second Geneva Convention: Demystifying The Law Of Armed Conflict At Sea, Bruno Demeyere, Jean-Marie Henckaerts, Heleen Hiemstra, Ellen Nohle

International Law Studies

Since their publication in the 1950s and 1980s respectively, the Commentaries on the Geneva Conventions of 1949 and their Additional Protocols of 1977 have become a major reference for the application and interpretation of those treaties. The International Committee of the Red Cross, together with a team of renowned experts, is currently updating these Commentaries in order to document developments and provide up-to-date interpretations of the treaty texts. Following a brief overview of the methodology and process of the update as well as a historical background to the Second Geneva Convention, this article addresses the scope of applicability of the …

Duty To Render Assistance To Mariners In Distress During Armed Conflict At Sea: A U.S. Perspective, Raul (Pete) Pedrozo

International Law Studies

In 2017, the International Committee of the Red Cross published an updated Commentary on the Second Geneva Convention. One question left unanswered by the new Commentary is the relationship between international humanitarian law and other international treaties applicable to the maritime domain, such as the U.N. Convention on the Law of the Sea (UNCLOS) and treaties adopted by the International Maritime Organization (IMO). The Second Geneva Convention establishes a legal framework for the humane treatment and protection of victims of armed conflict at sea—the wounded, sick and shipwrecked. There are circumstances, however, in which the belligerents do not have the …