From Tactical Utility to Human Cost: The Normative Shift in the Prohibition of Combatant Suffering

This article examines the evolving interpretation of the principle prohibiting superfluous injury or unnecessary suffering in international humanitarian law (IHL) applicable to combatants. Traditionally understood through a military necessity lens, this principle has undergone a normative transforma...

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Main Author: Jaroslav Krasny
Format: Article
Language:English
Published: Taylor & Francis Group 2025-01-01
Series:Journal for Peace and Nuclear Disarmament
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/25751654.2025.2520105
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author Jaroslav Krasny
author_facet Jaroslav Krasny
author_sort Jaroslav Krasny
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description This article examines the evolving interpretation of the principle prohibiting superfluous injury or unnecessary suffering in international humanitarian law (IHL) applicable to combatants. Traditionally understood through a military necessity lens, this principle has undergone a normative transformation toward an effects-based interpretation centered on long-term, irreversible and severe health consequences. Tracing its development from the St. Petersburg Declaration of 1868 to the Treaty on the Prohibition of Nuclear Weapons (TPNW), the article highlights key milestones including the Vietnam War, the International Court of Justice (ICJ) Advisory Opinion on nuclear weapons, and the International Committee of the Red Cross (ICRC)’s SIrUS project. Drawing on legal texts, judicial opinions, and testimonies of affected combatants, it argues that the balance between military advantage and suffering has tilted decisively in favor of humanitarian constraints. While not formally codified, this metamorphosis is reflected in disarmament treaties that prioritize health outcomes over combat utility. The article concludes that with the rise of humanitarian disarmament, the principle of unnecessary suffering is increasingly interpreted as prohibiting weapons whose long-term health effects cannot be justified by military necessity – a shift that will become more pronounced as new technologies emerge.
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spelling doaj-art-d2d89a202a0a495f9c7beef82326f3d52025-07-01T10:39:04ZengTaylor & Francis GroupJournal for Peace and Nuclear Disarmament2575-16542025-01-018115216810.1080/25751654.2025.2520105From Tactical Utility to Human Cost: The Normative Shift in the Prohibition of Combatant SufferingJaroslav Krasny0Research Center for Nuclear Weapons Abolition, Nagasaki University, Nagasaki, JapanThis article examines the evolving interpretation of the principle prohibiting superfluous injury or unnecessary suffering in international humanitarian law (IHL) applicable to combatants. Traditionally understood through a military necessity lens, this principle has undergone a normative transformation toward an effects-based interpretation centered on long-term, irreversible and severe health consequences. Tracing its development from the St. Petersburg Declaration of 1868 to the Treaty on the Prohibition of Nuclear Weapons (TPNW), the article highlights key milestones including the Vietnam War, the International Court of Justice (ICJ) Advisory Opinion on nuclear weapons, and the International Committee of the Red Cross (ICRC)’s SIrUS project. Drawing on legal texts, judicial opinions, and testimonies of affected combatants, it argues that the balance between military advantage and suffering has tilted decisively in favor of humanitarian constraints. While not formally codified, this metamorphosis is reflected in disarmament treaties that prioritize health outcomes over combat utility. The article concludes that with the rise of humanitarian disarmament, the principle of unnecessary suffering is increasingly interpreted as prohibiting weapons whose long-term health effects cannot be justified by military necessity – a shift that will become more pronounced as new technologies emerge.https://www.tandfonline.com/doi/10.1080/25751654.2025.2520105Unnecessary sufferinginternational humanitarian lawcombatant protectionhealth effects of weaponshumanitarian disarmamentmilitary necessity
spellingShingle Jaroslav Krasny
From Tactical Utility to Human Cost: The Normative Shift in the Prohibition of Combatant Suffering
Journal for Peace and Nuclear Disarmament
Unnecessary suffering
international humanitarian law
combatant protection
health effects of weapons
humanitarian disarmament
military necessity
title From Tactical Utility to Human Cost: The Normative Shift in the Prohibition of Combatant Suffering
title_full From Tactical Utility to Human Cost: The Normative Shift in the Prohibition of Combatant Suffering
title_fullStr From Tactical Utility to Human Cost: The Normative Shift in the Prohibition of Combatant Suffering
title_full_unstemmed From Tactical Utility to Human Cost: The Normative Shift in the Prohibition of Combatant Suffering
title_short From Tactical Utility to Human Cost: The Normative Shift in the Prohibition of Combatant Suffering
title_sort from tactical utility to human cost the normative shift in the prohibition of combatant suffering
topic Unnecessary suffering
international humanitarian law
combatant protection
health effects of weapons
humanitarian disarmament
military necessity
url https://www.tandfonline.com/doi/10.1080/25751654.2025.2520105
work_keys_str_mv AT jaroslavkrasny fromtacticalutilitytohumancostthenormativeshiftintheprohibitionofcombatantsuffering