Chapter 4 Autonomy in the Battlespace: Independently Operating Weapon Systems and the Law of Armed Conflict

Author(s):  
Kenneth Anderson ◽  
Matthew C. Waxman

An international public debate over the law and ethics of autonomous weapon systems (AWS) has been underway since 2012, with those urging legal regulation of AWS under existing principles and requirements of the international law of armed conflict in argument with opponents who favour, instead, a preemptive international treaty ban on all such weapons. This chapter provides an introduction to this international debate, offering the main arguments on each side. These include disputes over defining an AWS, the morality and law of automated targeting and target selection by machine, and the interaction of humans and machines in the context of lethal weapons of war. Although the chapter concludes that a categorical ban on AWS is unjustified morally and legally—favouring the law of armed conflict’s existing case-by-case legal evaluation—it offers an exposition of arguments on each side of the AWS issue.


Emerging technologies have always played an important role in armed conflict. From the crossbow to cyber capabilities, technology that could be weaponized to create an advantage over an adversary has inevitably found its way into military arsenals for use in armed conflict. The weaponization of emerging technologies, however, raises challenging legal issues with respect to the law of armed conflict. As States continue to develop and exploit new technologies, how will the law of armed conflict address the use of these technologies on the battlefield? Is existing law sufficient to regulate new technologies, such as cyber capabilities, autonomous weapons systems, and artificial intelligence? Have emerging technologies fundamentally altered the way we should understand concepts such as law-of-war precautions and the principle of distinction? How can we ensure compliance and accountability in light of technological advancement? This book explores these critical questions while highlighting the legal challenges—and opportunities—presented by the use of emerging technologies on the battlefield.


Author(s):  
Tsvetelina van Benthem

Abstract This article examines the redirection of incoming missiles when employed by defending forces to whom obligations to take precautions against the effects of attacks apply. The analysis proceeds in four steps. In the first step, the possibility of redirection is examined from an empirical standpoint. Step two defines the contours of the obligation to take precautions against the effects of attacks. Step three considers one variant of redirection, where a missile is redirected back towards the adversary. It is argued that such acts of redirection would fulfil the definition of attack under the law of armed conflict, and that prima facie conflicts of obligations could be avoided through interpretation of the feasibility standard embedded in the obligation to take precautions against the effects of attacks. Finally, step four analyzes acts of redirection against persons under the control of the redirecting State. Analyzing this scenario calls for an inquiry into the relationship between the relevant obligations under international humanitarian law and human rights law.


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