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Collection: U.S. Lethal Strikes on Suspected Drug Traffickers, Operation Southern Spear, Operation Absolute Resolve

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.
The United Nations Security Council meets on the Middle East, at UN Headquarters in New York, on June 10, 2026.

A Path For Middle Powers and a Rules-Based International Order: A Functional Perspective

German scholars argue that from a realpolitik perspective, commitment to international law is essential for States whose power is limited.
(L-R) A general view of the capital Nuuk, Greenland, on March 4, 2025. US President Donald Trump has strained relations with Denmark by repeatedly signalling that he wants control over Greenland, an autonomous Danish territory. (Photo by ODD ANDERSEN/AFP via Getty Images); U.S. Secretary of State Marco Rubio listens as U.S. President Donald Trump addresses the media during a news conference at his Mar-a-Lago club on January 3, 2026, in Palm Beach, Florida. During the remarks, Trump confirmed that the U.S. military had carried out a large-scale strike in Caracas overnight, resulting in the capture of Venezuelan leader Nicolas Maduro and his wife, Cilia Flores.(Photo by Joe Raedle/Getty Images); A general view of the capital Nuuk, Greenland, on March 4, 2025. US President Donald Trump has strained relations with Denmark by repeatedly signalling that he wants control over Greenland, an autonomous Danish territory. (Photo by ODD ANDERSEN/AFP via Getty Images)

Collection: U.S., Greenland, and NATO

Experts examine legal, political, and security dimensions of U.S. policy on Greenland, including U.S.-NATO relations, congressional oversight, and geopolitical implications.  
A six-panel illustrated comic strip depicting a Fourth of July barbecue.

As American as International Law

A Fourth of July barbecue demonstrates how international law shapes daily life, from weather forecasts to global trade, and where that architecture is under strain.
This photograph shows smoke rising above buildings following an air attack in Kharkiv on June 10, 2026, amid the Russian invasion of Ukraine.

Beyond the Vanishing Point? What the Destruction of Civilian Infrastructure in Armed Conflicts Reveals about the State and the Role of IHL Today

There is a widening gap between international humanitarian law and the realities of civilians affected by armed conflicts.
U.S. forces patrol the Arabian Sea near M/V Touska on April 20, 2026, after firing upon the Iranian-flagged vessel that the U.S. accused of attempting to violate the U.S. naval blockade of Iranian ports near the Strait of Hormuz.

Blockade and Article 2(4) of the UN Charter

"The U.S. military’s enforcement of the ongoing naval blockade of Iran may have now resulted in fresh violations of the U.N. Charter against four entirely different countries."
Pigeons fly against a darkened, cloudy sky looming over a skyline of mid-rise buildings in the background and a destroyed concrete building in the foreground.

Ukraine and the Special Tribunal for the Crime of Aggression: Redefining International Justice

The tribunal to prosecute Russia's crime of aggression seeks to close one of the most enduring gaps in international criminal law and strengthen the U.N. Charter.
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.…
Image of a globe focused on East Europe and parts of western Russia.

Ukrainian Drone Incursions into Baltic States, Russian Electronic Warfare Countermeasures, and International Law

Experts unpack the international law implications of recent incursions of Ukrainian drones into the airspace of Baltic countries due to Russian electronic warfare tactics.
The flag of Mexico flying at United Nations headquarters in new York (via UN Photo)

How Multilateral Powers Can Still Save the World Order

Imperfect as the postwar order may be, the cost of abandoning it would be far greater than the cost of reinforcing it.
U.S. Secretary of Defense Pete Hegseth listens as Chairman of the Joint Chiefs of Staff Gen. Dan Caine testifies before the Senate Armed Services Committee in the Dirksen Senate Office Building on June 18, 2025 in Washington, DC.

At the 60-Day Mark, the Iran War is Triply Illegal

Under the War Powers Resolution, Trump must now terminate the hostilities against Iran he began two months ago. He seems set against doing so.
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.”
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