Jus ad Bellum

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Numerous national flags are seen in front of the United Nations Office (UNOG) on June 8, 2008 in Geneva, Switzerland.

国际法协会关于适用武力问题委员会声明

我们最严厉地谴责俄罗斯对乌克兰的侵略行为。
Numerous national flags are seen in front of the United Nations Office (UNOG) on June 8, 2008 in Geneva, Switzerland.

بيانٌ صادرٌ عن أعضاء لجنة رابطة القانون الدولي المعنية باستخدام القوة

إننا ندين بأشد العبارات عدوان الاتحاد الروسي على أوكرانيا.
Two tall greyscale rectangles cast dark shadows representing the Twin Towers. Text reads, “How Perpetual War Has Changed Us: Reflections on the 20th Anniversary of 9/11”

Paradigm Shift: The Consequences of Choosing a War Path, and Leaving It

We owe it to the next generation to grapple now with the consequences of remaining at war -- as well as the consequences of choosing not to be -- lest we find ourselves reflexively…
A US Predator unmanned drone armed with a missile stands on the tarmac of Kandahar military airport on June 13, 2010.

Extraterritorial Counterterrorism: Policymaking v. Law

The Biden administration's counterterrorism policy review is a crucial moment to evaluate the role of law versus policy and an opportunity to narrow the scope of the “ongoing…
A AFP journalist views a video on January 25, 2019, manipulated with artificial intelligence to potentially deceive viewers, or "deepfake" at his newsdesk in Washington, DC.

Protecting the Information Space in Times of Armed Conflict

What, if any, limits exist concerning digital information operations in armed conflict? Does the humanitarian legal framework adequately capture the protection needs that arise…
A picture taken on October 16, 2020 shows a destroyed tank in the city of Jabrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh.

The Nagorno-Karabakh Conflict and the Exercise of “Self-Defense” to Recover Occupied Land

The fighting raised a fundamental but surprisingly overlooked question of international law on the use of force.
Map of Finland with an abstract pattern representing networks.

Finland Sets Out Key Positions on International Cyber Law

Analysis of the Government of Finland's new statement on international law in cyberspace.
The guided-missile cruiser USS Vella Gulf (CG 72) fires a close-in weapons system during a live-fire exercise, April 27, 2020.

On Iranian Gunboats: Beware Conflating American and Mainstream Views of the Law

In a recent essay in Just Security entitled “Iranian Gunboat Harassment and the Rules of Engagement,” Michael Schmitt and Durward Johnson explore important questions raised…
Electronics Technician 2nd Class Hao Lienh, assigned to Commander Task Force 56, wears a face mask and stands watch on a Mark VI Patrol Boat before a weapons sustainment exercise in the Arabian Gulf, April 16, 2020.

Iranian Gunboat Harassment and the Rules of Engagement

What to make of Trump's order to “shoot down and destroy” lranian boats that harass US vessels. International law and Standing Rules of Engagement place significant limits.
World flags in front of the United Nations building

The Time has Come to Have a Conversation at the U.N. on Self-Defence

Pablo Arrocha Olabuenaga, Legal Adviser to Mexico's Mission to UN, writes in his personal capacity about an important conversation on international law.
Defense Department General Counsel Paul C. Ney gives a speech at BYU Law School on March 4, 2020.

The Trump Administration’s Latest (Failed) Attempt to Justify the Soleimani Strike

Two months after killing Qassem Soleimani, the Trump administration still hasn’t gotten its story straight. On January 3rd, the day of the operation, and for the next 10 days,…
Graphics depicting war powers reporting. The first graphic shows a map with certain regions highlighted in different shades of purple. Most are in Africa and the Middle East. The second graph is a circle with green lines extending to other areas of the circle.

New Online Resource: War Powers and Presidential Practice

"Intended for use by policymakers, legislators, scholars, journalists and the general public, the Project is an expansive new resource that analyzes the war powers reporting practice…
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