Armed Conflict
Just Security’s expert authors provide analysis on the legal, policy, and strategic dimensions of armed conflict, including the Russia-Ukraine war, the Israel-Hamas war, counterterrorism operations, conflicts in the Middle East and North Africa, and other armed conflicts across the globe, with a focus on international humanitarian law, war crimes and accountability, mitigating and remedying civilian harm, and the humanitarian impacts of warfare.
3,583 Articles

Cyber Operations and the U.S. Definition of “Armed Attack”
[Ed. Note: Based on Goodman's remarks at U.S. Cyber Command’s Annual Legal Conference.]
A widely accepted view of the UN Charter is that a State can use force…
A widely accepted view of the UN Charter is that a State can use force…

The Legality of U.S. Arms Sales to Saudi Arabia for Use in Yemen
The United States’ continued sales of billions of dollars of weapons to Saudi Arabia for use in military operations in Yemen—which the United Nations Expert Panel of Experts…

Episode 62 of the National Security Law Podcast: Wait–We Have to Talk About GATT?!?
It’s not every week on this show that we get to talk about the Trade Expansion Act of 1962 and the General Agreement on Tariffs and Trade! And if that’s not an appealing…

The Legality of U.S. Support for the Saudi-Led Campaign in Yemen
Yesterday, Senator Bernie Sanders (D-Vt.) introduced a joint resolution calling for the removal of U.S. armed forces from unauthorized active hostilities in Yemen. Shortly after,…

Important Report by White House on National Security Due Soon
The executive branch owes it to Congress—and all of us—to deliver the answers Congress has demanded to do the critical job assigned to our national legislature and serve the…

Deadlock: Despite U.S. Pressure, South Sudan Peace Process Remains Stalled
U.S. policymakers cannot allow the callousness of South Sudan’s leaders to overshadow the suffering of its people. Withdrawing U.S. aid—a move the Trump administration contemplated…

Will the Next Use of Force “Transparency Report” be Transparent? Devil May be in Classified Details
Congress recently required the President to submit a report that describes the administration’s legal and policy positions on the use of military force and related national security…

Children, Military Courts and Occupation
The Ahed Tamimi case highlights a range of issues related to civilian trial in military courts, the obligations to minors by occupying powers, and the disparate treatment being…

Just Security Podcast: Sam Vinograd on Trump’s Weakness Toward Russia on Syria
Last Friday, I spoke with former National Security Council official Samantha Vinograd about President Trump’s reluctance to confront Russian President Vladimir Putin, and…

Using U.S. Courts to Promote Accountability for the 1990 Liberian Church Massacre and Beyond
Between 1989 and 2003, civil war consumed the small West African nation of Liberia, resulting in the estimated deaths of 150,000 to 250,000 men, women and children, and the displacement…

Doe v. Mattis: Is the War on ISIS Legal?
Many members of Congress, including those who voted for the 2001 and 2002 AUMFs, feel they haven’t authorized the current fight against ISIS. Unless the executive branch prolongs…

The Human Cost of Trump’s Weakness Toward Russia
Chemical weapons attacks, aerial bombardments, malnutrition, sexual violence and other means of torture define Syria, with a new massive atrocity every few weeks. There is no end…