Armed Conflicts

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Manifestly Illegal: Israeli International Law Scholars on the Stated Plan to “Concentrate” the Palestinian Population in South Gaza

Israeli international law scholars send urgent letter to Israel’s Minister of Defense, the IDF Chief of Staff, the Attorney General.
A woman poses for pictures next to the HQ-9B surface-to-air missile system (L) and the HQ-19 surface-to-air missile system during the 15th China International Aviation and Aerospace Exhibition in Zhuhai, in southern China's Guangdong province on November 15, 2024. (Photo by HECTOR RETAMAL/AFP via Getty Images)

The Future of Arms Control: Time for a New Strategic Framework

Arms control must evolve from a legacy tool of superpower rivalry to a modern instrument of strategic risk management. That work must begin now.
The Just Security Podcast

The Just Security Podcast: The Srebrenica Genocide 30 Years On–Remembrance and Prevention in Bosnia and Beyond

Host Viola Gienger is joined by Sead Turcalo, Velma Saric, and Jacqueline Geis to discuss Srebrenica and the impact of genocide denial.
The Just Security Podcast

The Just Security Podcast: Unpacking the European Court of Human Rights Decision on Russia’s Violations in Ukraine

Tom Dannenbaum, Rebecca Hamilton, and Ryan Goodman break down the ECHR's judgement in Ukraine and the Netherlands v. Russia.

Our Duty to Explain Israel’s Operation to “Concentrate and Move Population” in Gaza is a Manifest War Crime

We wrote this essay to fulfill our human, conscientious, and civic duty, as Israelis – and as Zionists – who have expertise in areas related to the IDF’s order.
ARLINGTON, VIRGINIA - JUNE 26: Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine turns to watch a video of a bombing test of the GBU-57A/B Massive Ordnance Penetrator (MOP) used in the attack on the Iranian Fordow Fuel Enrichment Plant during a news conference with U.S. Defense Secretary Pete Hegseth at the Pentagon on June 26, 2025 in Arlington, Virginia. The Department of Defense top officials gave an update after three Iranian nuclear facilities were struck by the U.S. military last weekend and Iran countered by launching missiles at Al Udeid Air Base in Doha, Qatar. (Photo by Andrew Harnik/Getty Images)

The U.S. Attack on Iran Was Unconstitutional

Trump’s strike on Iran violated constitutional limits on the president's unilateral power to take the nation to war—an authority the Framers reserved for Congress.
Collage of the Israel-Iran conflict

Collection: Iran-Israel/United States Conflict

Experts analyze critical dimensions of Israel’s strikes relevant responses, covering nuclear diplomacy; strategic, security, and regional implications; and international law.
The Just Security Podcast

The Just Security Podcast: A Ukrainian MP Takes Stock of the NATO Summit and the Prospects for Peace

Ukrainian MP Oleksiy Goncharenko discusses the NATO Summit and the war with Washington Senior Editor Viola Gienger and guest host Lauren Van Metre.
An Iranian flag is draped from a building damaged during a recent attack by Israel in the Gisha neighborhood of Tehran, Iran, on June 25, 2025. (Photo by Majid Saeedi/Getty Images)

Why War? Why Now? Assessing Iranian Intentions and Capabilities

Why did Israel, and then the United States, decide to attack Iran now, even as U.S.-Iranian negotiations sputtered along?
The U.S. Capitol building is seen at sunset on March 1, 2022 in Washington, DC. (Photo by Samuel Corum/Getty Images)

The Trump Administration’s Flawed War Powers Report on Iran and the Need for a Congressional Rebuttal

The White House’s legal justifications for attacking Iran are unconvincing and raise concerns about unauthorized use of force. Congress should push back.
plume of heavy smoke and fire rise from an oil refinery in southern Tehran

Israel and Iran: A War with No Off-Ramp

The constellation of forces in Israel, the United States, and beyond complicates efforts to find an off-ramp to the war.
Iranian protesters march in Tehran's Revolution Square

The Strategic Stakes after Israel’s Opening Strikes on Iran

Strategic implications of Israel’s strikes on Iran and key questions policymakers should ask to navigate what comes next.
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