Use of Force
239 Articles

The Just Security Podcast: Sudan Marks Two Years of War
Sudan marks two years of war this week. Where does the country and the international community trying to support it go from here?

Two Years of War in Sudan: From Revolution to Ruin and the Fight to Rise Again
As Sudan marks two years of brutal war between the Sudanese army and the RSF, the country stands at a dangerous crossroads.

Balancing State Security and Peace and Security in Outer Space: What Role for International Law on the Use of Force?
Understanding jus ad bellum necessity and proportionality is crucial to addressing concerns regarding the weaponization of outer space.

Upending the International Order: Why Undermining the UN Charter and US Defense Commitments is Self-Defeating
The President should understand that bellicose threats and unreliability as an ally may leave the United States poorer and more vulnerable on his watch and will frustrate his nuclear…

The Voices from Kyiv: Is the World Legal Order in Decay?
The Russian invasion of Ukraine, and states’ reactions to it, are setting the stage for possible changes to the international legal order. In the end, this is a battle for a…

Голоси з Києва: чи це епоха руйнування світового правопорядку?
Існують різні переломні точки в історії, які визначили метаморфозу міжнародного правопорядку.

U.S. Military Action in Mexico: Almost Certainly Illegal, Definitely Counterproductive
U.S. military action in Mexico would not only be illegal, it would sabotage Trump’s stated immigration policy priorities and could lead to retaliation against Americans.

Questions for Senators (and Journalists) to Ask Secretary of State Nominee Marco Rubio
Experts suggest questions for the Senate Foreign Relations Committee's confirmation hearing for Trump's pick for Secretary of State, Sen. Marco Rubio.

Making Sense of International Law in Light of Israel and Iran’s Latest Round of “Retaliation”
The current round of retaliatory strikes between Israel and Iran casts light on Israel's and Iran’s opposing political strategies, which also have significant legal implications…

Rethinking Responsible Use of Military AI: From Principles to Practice
Highlights from the second global summit on Responsible AI in the Military Domain (REAIM) in Seoul, South Korea.

A Reply to Chris O’Meara: Necessity and Proportionality in International Law on the Use of Force
In his thought-provoking essay in Just Security, Chris O’Meara provides an insightful analysis of Ukraine’s recent incursion into Kursk Oblast under the law governing the use…

Ukraine’s Incursion into Kursk Oblast: A Lawful Case of Defensive Invasion?
The UN Charter, the law on the use of force, and the conditions that body of law places on Ukraine's military operation in Russia's Kursk Oblast.