Use of Force

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239 Articles
A man watches a tugboat in a port.

The United States-Cuba Oil Embargo and International Law

Experts on naval warfare examine the international law dimensions of the United States campaign against Cuba.
US Department of State building with sign in front

On the State Department Memorandum “Operation Epic Fury and International Law”

Former State Department attorney's critique of the Department's Iran war memorandum on “Operation Epic Fury and International Law.”

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.
An overhead view of the Pentagon building in Washington, DC.

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.
Woman sitting down, holding an AK-47 in her lap, in a military base hidden among the mountains in Khalifa, Erbil Province, Iraq.

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
wp-ep134-thumbnail-sudan-enters-its-fourth-year-of-civil-war

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. 
(L/R) US Vice President JD Vance, Jared Kushner, U.S. Secretary of State Marco Rubio look on as US President Donald Trump holds up a resolution document that he signed during the inaugural meeting of the "Board of Peace" at the US Institute of Peace in Washington, DC, on February 19, 2026. (Photo by SAUL LOEB / AFP via Getty Images)

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.
Plumes of smoke rise following reported explosions in Tehran early on March 3, 2026. The United States and Israel started striking Iran on February 28, killing Iran's supreme leader and top military leaders, and prompting authorities to retaliate with strikes on Israel and across the Gulf. (Photo by ATTA KENARE / AFP via Getty Images)

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.
US Secretary of Defense Pete Hegseth speaks during a press briefing at the Pentagon in Washington, DC, on March 31, 2026. (Photo by Oliver Contreras / AFP via Getty Images)

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.
A huge banner of Iran's Supreme Leader Ayatollah Khamenei who was killed in joint operation named Epic Fury by Israel and the U.S. in his residence is posted on a building facade in Revolution Square on March 4, 2026 in Tehran, Iran. (Photo by Kaveh Kazemi/Getty Images

Khamenei’s Killing and the Perilous Death of the Assassination Ban

Khamenei’s killing ends the U.S. ban on assassination and signals a shift as nations may forsake diplomacy, embracing force to eliminate foreign adversaries.
Military personnel look at a computer screen.

A Feasible Precaution Ignored: AI Targeting Algorithms and the Failure to Recognize Protected Emblems

Ensuring algorithms recognize protected emblems is an achievable first step to protect civilians and prevent future AI-enabled tragedies.
An aerial view of a graveyard

When Intelligence Fails: A Legal Targeting Analysis of the Minab School Strike

The law of armed conflict demands that we take the Minab school strike seriously to learn, to reform, and to prevent the next failure.
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