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A wide view of the Security Council meeting on the situation in the Middle East, including the Palestinian question on May 21, 2026. (Via UN Photo) A wide view of the Security Council meeting on the situation in the Middle East, including the Palestinian question on May 21, 2026. (Via UN Photo)

Follow the Law, Not the Plan: Legal Considerations for Third States in Gaza

Third State’s support for Trump’s Gaza plan must remain strictly conditioned on compliance with international law and be continuously reassessed in light of evolving facts.…
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.
Residents walk with a bicycle past destroyed buildings in Yarmouk camp, Damascus, Syria, on November 8, 2025. Established in 1957, Yarmouk was once the largest Palestinian refugee community in Syria, but years of conflict left much of it in ruins. (Photo by Omar Albaw / Middle East Images via AFP) (Photo by OMAR ALBAW/Middle East Images/AFP via Getty Images)

Starvation on Trial: Koblenz and the Case of Yarmouk

A trial in Germany concerning the siege of Yarmouk in Syria tests the application of universal jurisdiction to patterns of siege warfare and civilian deprivation.
People wave Iranian flags from the bed of a truck depicting Grand Ayatollah Ali Sistani

Is the United States at War with Iraq?

The non-international armed conflict between the Islamic Resistance in Iraq and the United States and Israel has yet to transform into an international armed conflict.

The Just Security Podcast: Murder on the High Seas Part V

Tess Bridgeman and Rachel Goldbrenner are joined by Rebecca Ingber and Brian Finucane to examine escalating U.S. strikes on suspected drug traffickers.
In this picture obtained from Iran's ISNA news agency on May 4, 2026, the Iran-flagged tugboat Basim sails near a ship anchored in the Strait of Hormuz off Bandar Abbas in southern Iran. Iran's Revolutionary Guards on May 4 denied that any commercial ships had crossed the Strait of Hormuz, after the US military earlier said two US-flagged merchant vessels had transited through the vital waterway. (Photo by Amirhossein KHORGOOEI / ISNA / AFP via Getty Images) /

What the Iran War Reveals About the War Powers Resolution and How Congress Can Act

It is Congress’s responsibility to assert its constitutional prerogatives with respect to the use of force and to rein in a lawless executive.
A woman walks past a giant billboard reading "The Strait of Hormuz remains closed" at the Revolution Square in Tehran on April 28, 2026. The White House said on April 27 it was examining Iran's latest proposal to unblock the Strait of Hormuz, two months after a US and Israeli offensive sent shockwaves through the global economy. (Photo by ATTA KENARE / AFP via Getty Images)

What A War Game Already Told Us About Iran

A war game exposed the risks of fighting Iran with assumptions instead of strategy, and its lessons echo in today’s conflict.
Collage of images pertaining to artificial intelligence

Just Security’s Artificial Intelligence Archive

Just Security's collection of 100+ articles analyzing the implications of AI for society, democracy, human rights, and warfare.
A man stands in front of a window in daylight, reaching up to check equipment hanging from a ceiling over a gurney-like hospital bed in a damaged room of a maternity hospital. Shattered glass on the floor at the foot of the gurney reflects the light coming through the window.

How the Law of War Can Reckon with Longer-Term Harms of Attacks on Health

When war affects complex and interconnected civilian systems, the full measure of civilian harm lies in what comes after the blast.
A detailed view of the uniform of a senior military member as U.S. President Donald Trump speaks at Marine Corps Base Quantico on September 30, 2025 in Quantico, Virginia.

Legal Foundations of Honorable Military Service

As former judge advocates, it was our responsibility while on active duty to advise on the legal demands of and limits on senior officers’ authority and responsibility.
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.
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