Law of War Manual

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86 Articles

Data Centers as Military Objectives: The Russian and Ukrainian Justifications

Experts examine four major international legal questions raised by Russian and Ukrainian attacks on data centers.
A kneeling firefighter wearing a black uniform and yellow helmet aims a firehose at the second storey window of a smoking, bombed-out office building.

Data Centers at War: The Defender’s Duty to Protect Civilians

Peacetime decisions about the location and protection of data centers may determine the risks civilians face when armed conflict erupts.
A line of cars snaking from the foreground to the back of the frame, lined up at a gas station with a roof bearing the company name "Gazpromneft" in Cyrillic letters.

Fueling Russia’s War: The Russian Diesel Deal and International Law

By lifting export restrictions on Russian diesel, the United States arguably bears responsibility for aiding and assisting Russia's unlawful use of force against Ukraine.
A Vulcan Rocket from United Launch Alliance (ULA) lifts off from pad 41 at Cape Canaveral Space Force Station.

Expert Backgrounder: Weapons in Space Under International Law

An expert outlines the body of international law governing the placement and use of weapons in outer space.
The building of the destroyed Shajareh Tayebeh primary school is pictured surrounded by rubble in Minab in Iran's Hormozgan province on August 10, 2026.

The Limits of the Law of Armed Conflict: Individual Accountability Should Not Obscure State Responsibility for U.S. Strikes on Iran School

The law of armed conflict is not suited to provide the legal clarity the public desires immediately following attacks that kill civilians.
General Dan Caine, Chairman of the Joint Chiefs of Staff speaks at the National Defense University's graduation ceremony on June 11, 2026.

“Can We Do This?”: The Role of Military Leaders and Their Legal Advice

On the role of U.S. military leaders in addressing legal constraints and strategic questions.
Damaged bridge over a river with a large hole in the middle and people looking on.

When Civilian Infrastructure Becomes a Lawful Target

Civilian infrastructure is not targetable merely because it is economically significant or politically useful to strike, but only when it offers a definite military advantage.
In this handout photo provided by U.S. Central Command, Arleigh Burke-class guided-missile destroyer USS Rafael Peralta (DDG 115) implements a maritime blockade against an Iranian-flagged ship attempting to sail toward an Iranian port, on April 26, 2026 in the Arabian Sea. Rafael Peralta is deployed to the U.S. 5th Fleet area of operations to support maritime security and stability in the Middle East. (Handout photo by U.S. Navy via Getty Images)

Is the United States (Still) at War? How Wars Begin and End

Armed conflict is not a matter of political branding, rhetorical convenience, or domestic law positioning. It is a legal status that turns on objective facts.
Collage of photos, including a young boy, war-torn buildings, people walking, and a hand.

Protecting Civilians in Good Faith: A Joint Symposium on the Updated ICRC Commentary on the Fourth Geneva Convention

Expert authors examine key interpretive issues and selected topics in the updated Commentary on the Fourth Geneva Convention​ on protection of civilians during civil war.
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.
A picture taken on March 12, 2017, shows a view of an oil facility in the Kharg Island, on the shore of the Gulf. (Photo by ATTA KENARE / AFP) (Photo by ATTA KENARE/AFP via Getty Images)

Targeting Enemy Logistics

In the Iran war, when do critical infrastructure and economic assets qualify as lawful military objectives under the law of armed conflict.
Wide view of highway road, a tall plume of dark grey smokes rises from the port of Jebel Ali in Dubai, under a hazy, grey sky.

Iranian Attacks on the Amazon Data Centers: A Legal Analysis

Do data centers qualify as lawful military objectives? If so, under what circumstances are they subject to attack? And what precautions must be taken before targeting them?
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