Armed Conflict • International Law
Use of Force
952 Articles

(Apparent) Administration Justifications for Legality of Strikes Against Syria
[Cross-posted at Take Care] The following document has begun to circulate outside the government. It is said to have been developed within the Administration. I have not confirmed,…

The Use of Force in Response to Syrian Chemical Attacks: Emergence of a New Norm?
The April 6 cruise missile strikes against Syria in response to its chemical weapon attacks on Khan Sheikhoun have generated considerable commentary on Just Security and elsewhere. …

What Do Top Legal Experts Say About the Syria Strikes?
I asked several of the very top legal minds about their views concerning Thursday night’s airstrikes by the United States in response to the Syrian government’s reported…

Not Illegal: But Now The Hard Part Begins
I am no fan of the Trump Administration, which in its short life has attempted many illegal acts. But neither do I automatically conclude that everything it does is illegal, as…

Humanitarian Military Options for Syrian Chemical Weapons Attack: “Illegal but Not Unprecedented”
Without Security Council authorization, any U.S. military force to respond to Assad’s chemical weapons attack would be a violation of international law, but … Policymakers…

The Importance of Protecting Civilians—Through Law, Strategy, and Tactics
The spate of allegations of civilian deaths as a result of US operations in Iraq, Syria, and Yemen over the last few weeks has garnered significant interest from humanitarian groups…

ISIS Tactic of “Baiting” US-Coalition to Kill Civilians–and who bears responsibility
Many are searching for an explanation for the recent spike in civilian casualties resulting from coalition operations in Iraq and Syria, including specific incidents which have…

What Explains the Rise in Civilian Casualties in US Military Ops–Iraq, Syria and Elsewhere
Last Friday, several news outlets reported that perhaps as many as 200 civilians had been killed in a recent U.S. airstrike in Mosul in northern Iraq, where the U.S. is participating…

Targeting Yemen and the Repeal of Obama Constraints
Over at the New York Times, Charlie Savage and Eric Schmitt have written an excellent article on the Trump Administration’s decision to declare three parts of Yemen “areas…

Ukraine Asks for Immediate Relief in Its Case Against Russia before the International Court of Justice
Further to our original post about Ukraine’s suit against Russia before the International Court of Justice, the ICJ is holding hearings this week on Ukraine’s request for provisional…

Correcting the Record—Further Thoughts on the Intelligence Report on Civilian Casualties
In an exchange of posts over the past few weeks about the most recent casualty figures released by the Director of National Intelligence for theaters outside areas of active hostilities,…

Reasons to Distrust Intelligence Report on Civilian Casualties
Ryan Goodman is absolutely correct in what he wrote yesterday at Just Security. I have not proved the claim he attributes to me, namely, that “there is a gross underestimation…