Armed Conflict
Use of Force
829 Articles

Legal Flaws in the Trump Administration’s Notice to Congress on “Armed Conflict” with Drug Cartels
The Trump administration’s “armed conflict” justification, however, is groundless.

Just Security’s Israel-Hamas War Archive
Just Security's collection of more than 110 articles covering the Israel-Hamas War and its diplomatic, legal, and humanitarian consequences.

Murder by Drone: The Legal and Moral Stakes of the Caribbean Strikes
If allowed to go unchecked, the Caribbean strikes could encourage additional unlawful executions by the United States and other leaders.

Asserting a License to Kill: Why the Caribbean Strike is a Dangerous Departure from the “War on Terror”
An absence of credible legal basis for the Caribbean strike suggests the Trump admin is asserting a prerogative to kill outside the law.

Book Release – Perpetual War and International Law: Enduring Legacies of the War on Terror
Introducing a new OUP book interrogating how precedents set in the post-9/11 era continue to shape contemporary conflicts.

The Many Ways in Which the September 2 Caribbean Strike was Unlawful … and the Grave Line the Military Has Crossed
A deep dive into US domestic authority and law most relevant to the US strike on alleged Venezuelan drug boat.

Striking Drug Cartels Under the Jus ad Bellum and Law of Armed Conflict
Analysis of laws of war and law on the resort to armed force in U.S. military action against Tren de Aragua.

The Just Security Podcast: Murder on the High Seas? What You Need to Know about the U.S. Strike on the Caribbean Vessel
Rebecca Ingber and Brian Finucane join Tess Bridgeman to unpack what you need to know about the U.S. strike on a purported drug trafficking vessel in the Caribbean.

Legal Issues Raised by a Lethal U.S. Military Attack in the Caribbean
The Trump administration’s extraordinary lethal attack on a purported drug smuggling vessel – and its vow that it is the start of a campaign – raise significant legal issues.

From Ukraine to Gaza: IHL Compliance as a Tool for Preventing Moral Injury
Ukraine's voluntary IHL compliance report provides an opportunity to examine the concept of moral injury in armed conflict - Israel should follow Ukraine's lead.

The Just Security Podcast: Ukraine’s Resistance to Russia’s Invasion — The Other Mobilization
As millions of Ukrainians face the devastation of their communities, volunteers—especially women—have stepped up to support the nation’s survival.

“Lies, Damned Lies, and Statistics”: The Legality of Statistical Proportionality
Israel's practice of statistical proportionality should be considered to violate the legal duty to take feasible precautions in attacks.