Weapons Law

Coding the Law of Armed Conflict: First Steps

Coding the Law of Armed Conflict: First Steps

[Editor’s note: The following post highlights a subject addressed in the Lieber Studies volume The Future Law of Armed Conflict, which was published 27 May 2022. For a general introduction to this volume, see Professor Matt Waxman’s introductory post.]   Killer...

Hunter 2-S Swarming Attack Drones: Legal & Ethical Dimensions

Hunter 2-S Swarming Attack Drones: Legal & Ethical Dimensions

Halcon, a defense company based in the United Arab Emirates, unveiled its aerial fleet of swarming drones—Hunter 2-S—at the Unmanned System Exhibition and Conference in Abu Dhabi on February 21, 2022. The small-sized Hunter 2-S modular launching system is the latest...

Are Thermobaric Weapons Lawful?

Are Thermobaric Weapons Lawful?

The Russian Federation has deployed and likely used thermobaric weapons during its invasion of Ukraine. Ukraine’s ambassador to the United States alleged that Russia “used the vacuum bomb today, which is actually prohibited by the Geneva Conventions,” while American...

Are Molotov Cocktails Lawful Weapons?

Are Molotov Cocktails Lawful Weapons?

A frequent feature of violent riots and revolts, the Molotov cocktail has reappeared in reports of Ukraine’s preparations to resist the ongoing Russian invasion. Although undoubtedly symbolic of resolve to resist using all means available, whether Ukrainians’ use of...

Reentering the Loop

Reentering the Loop

The warfighting advantages of using lethal autonomous systems, and the potential costs of not using them, seem to guarantee their role in future armed conflict. This post argues that optimizing their effectiveness involves not only improving their independent...

Cognitive Lethal Autonomous Weapons Systems (CLAWS)

Cognitive Lethal Autonomous Weapons Systems (CLAWS)

With the debut of lethal autonomous weapons systems (LAWS) in combat, opponents of LAWS have called on States to fast-track the creation of international law that either bans the use of these weapons or mandates meaningful human control over them. If LAWS are used...