Armed Conflict • International Law
Use of Force
936 Articles

Just Security’s Russia–Ukraine War Archive
A catalog of over 100 articles (many with Ukrainian translations) on the Russia Ukraine War -- law, diplomacy, policy options, and more.

On Ambassador Waltz’s Defense of Potential Law of War Violations in the Iran Conflict
Three top legal experts analyze Ambassador Mike Waltz's claims about laws of war and US operations in Iran war.

A Primer on Just War Theory and the Iran War
Leading scholar explains just war theory and the Iran war. An assessment of the Trump administration's response to the Catholic Church.

In Response to the Letter by International Law Experts
Four experts, who have each served as Senior Law of War Advisor, respond to Letter by 100+ international law experts on Iran war published at Just Security.

The International Legal Consequences and Imprudence of U.S. Assistance to Kurdish Rebels in Iran
U.S. policies of funding rebel groups to achieve shared strategic objectives while turning a blind eye to ideology and international law has proven to be myopic time and again
The Just Security Podcast: Sudan Enters Its Fourth Year of Civil War
Quscondy Abdulshafi joins host Viola Gienger to discuss how Sudan got to this point, how the international community has responded, and where to go next.

Some Questions for Congress About Trump’s Request for Funding for the Board of Peace
Close scrutiny of the administration’s plans for contributions to the Board of Peace is warranted in light of the large dollar amounts involved.

Over 100 International Law Experts Warn: U.S. Strikes on Iran Violate UN Charter and May Be War Crimes
Over 100 international law experts sign letter on Iran War, UN Charter, and international humanitarian law.

Reprisals and the Paradox of Trust: Why Threats of Retaliation in the Iran War are Unlikely to Work
Reprisals demand trust between adversaries, yet they often spark escalation. Their ban under international law is both moral and practical.

The Dangers of Hegseth’s “Warfighter” Ethos
Hegseth may present his version of a warfighter as the paragon of U.S. military power, but for all his talk, he fails to recognize the true strengths of the armed forces.

When War Crimes Rhetoric Becomes Battlefield Reality: The Slippery Slope to Total War on Iran
Former JAGs warn that threats to strike Iran’s power plants would violate the law of war and endanger U.S. service members’ legal and moral obligations.

Washington Is Backing the Wrong Lebanon Strategy
The U.S. should link Lebanese state-building and Hezbollah disarmament through a political process, not war, to secure a durable Israel-Lebanon ceasefire.