International Humanitarian Law (IHL)

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WASHINGTON, DC - JUNE 18: U.S. Secretary of Defense Pete Hegseth arrives to testify before the Senate Armed Services Committee in the Dirksen Senate Office Building on June 18, 2025 in Washington, DC. The Committee met to hear testimony on the proposed budget request for fiscal year 2026 and the future year's defense program for the Department of Defense. (Photo by Kayla Bartkowski/Getty Images)

U.S. Boat Strike Campaign: Questions Congress Should Ask Executive Branch Officials

A list of questions that should be answered by U.S. government officials regarding the lethal campaign against suspected drug trafficking individuals, groups, and vessels.

Collection: U.S. Lethal Strikes on Suspected Drug Traffickers

Collection of expert analysis on the legality of the U.S. strike on Venezuelan vessels in the Caribbean, the consequences of the strike, and related issues.
WASHINGTON, DC - DECEMBER 02: U.S. Secretary of Defense Pete Hegseth (R) looks on as U.S. President Donald Trump speaks during a meeting of his Cabinet in the Cabinet Room of the White House on December 02, 2025 in Washington, DC. (Photo by Chip Somodevilla/Getty Images)

Expert Q&A on the U.S. Boat Strikes

An expert Q&A on the Trump administration's lethal strikes against suspected drug trafficking boats on the high seas.
US Marines unload from an Osprey V-22 aircraft at Jose Aponte de la Torre Airport

Killing Shipwrecked Survivors is Not Just Illegal—It Endangers U.S. Servicemembers

If the United States chooses a path where killing defenseless survivors becomes acceptable, American servicemembers will pay the price for that choice.
Military justice image

Professional Responsibility and the Boat Strikes

Legal and ethical debates surge around unreleased OLC memo on lethal boat strikes in the Caribbean, with growing calls for transparency and scrutiny of military lawyers.

Unlawful Orders and Killing Shipwrecked Boat Strike Survivors: An Expert Backgrounder

An expert backgrounder on the reported Hegseth "no quarter" order to kill everyone aboard a suspected drug boat in the Caribbean on Sept. 2.
A collage of images featuring scenes from the Russia - Ukraine War.

Just Security’s Russia–Ukraine War Archive

A catalog of over 100 articles (many with Ukrainian translations) on the Russia Ukraine War -- law, diplomacy, policy options, and more.
Members of the Delegation of Nicaragua, at the opening of the hearings of Nicaragua v. Germany at the International Court of Justice on Monday, April 8, 2024. (Frank Van Beek, via UN Photo, Courtesy of the ICJ).

Nicaragua v. Germany: Why Israel is Not an Indispensable Third Party

Analysis of Germany's argument before the International Court of Justice in Gaza case.
Screenshot of the mock legal review by Daniel Maurer.

Hypothetical Legal Review of Narcotrafficking Strikes

A mock “operational legal review” depicting what a staff judge advocate’s advice should have been prior to the first reported strike on an alleged drug trafficking vessel.

Irreconcilable Presidential Determinations: On Tren de Aragua and the Venezuelan Government

The two determinations are mutually exclusive; it is legally impossible to maintain both simultaneously.

The ICJ’s Advisory Opinion on Israel’s Obligations Towards UNRWA and Other International Organizations in the Occupied Territories: Key Issues

Unpacking the International Court of Justice's advisory opinion on Israel's obligations towards the UN and others to provide humanitarian aid in the West Bank and Gaza.
A man stands in front of military vehicles

As Europe Rearms, Learn from the Pentagon’s Efforts to Modernize Civilian Protection

European militaries can adapt and operationalize civilian protection as they increase defense spending to protect themselves against Russia.
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