The many theories on belligerent occupation that were raging at the beginning of the 20th century are little known.

This post focuses on the potential use of BCIs in connection with interrogations of persons protected under GC IV.

This post argues instead that no due diligence obligation exists under international law in respect of transit States.

This post examines how principles can assist in situations not specifically envisaged at the time of their adoption, such as ...

PSYOPS inviting enemy personnel to defect / surrender can save lives on both sides of a conflict and weaken an armed group ...

Nuclear powered microreactors may serve operational interests. However, their military usefulness does not eliminate their legal sensitivity.

Editors’ note: This post appears as an entry in a series dedicated to Dr Jennifer Maddocks’ monograph, Attribution of Non-State Actor Conduct during Armed Conflict, appearing in the Lieber Studies ...

Public debate about contemporary armed conflict increasingly relies on aggregate civilian-to-combatant casualty ratios as indicators of legality and moral responsibility. Some use these ratios to ...

Editors’ note: This is the first post in a series dedicated to Lethal Autonomous Weapons Systems (LAWS) and the questions of human oversight and legal accountability under international humanitarian ...

In war, there is every incentive to deceive. Thousands of years ago, humans learnt that misleading the enemy, dissimulating one’s intentions, and misrepresenting the truth often led to tangible ...

On 1 June 2025, in one of the boldest operations of the war, Ukraine carried out a massive surprise attack against Russian military installations. The attack, known as Operation Spider Web, was ...