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U.S. Navy officers stand guard aboard the Virginia-class fast-attack submarine USS Minnesota after the vessel docked at HMAS Stirling in Rockingham, Western Australia, on February 26, 2025, during a port visit. (Photo by COLIN MURTY/POOL/AFP via Getty Images)

The Pentagon’s AUKUS Review is an Opportunity — If Done Right

The success of AUKUS is important for validating and refining a kind of joint defense model that the United States can use to forge more productive partnerships.
U.S. Defense Secretary Pete Hegseth and Chairman of the Joint Chiefs of Staff Gen. Dan Caine

Intelligence Implications of the Shifting Iran Strike Narrative

How the growing politicization of the U.S. intelligence community undermines the integrity of decision-making on Iran and national security more broadly.
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?
Binders of executive orders stacked on a desk.

Collection: Just Security’s Coverage of Trump Administration Executive Actions

Coverage of key developments, including in concise “What Just Happened” expert explainers, legal and policy analysis, and more. Check back frequently for updates.
Collage of the Israel-Iran conflict

Collection: Israel-Iran Conflict

Experts analyze critical dimensions of Israel’s strikes relevant responses, covering nuclear diplomacy; strategic, security, and regional implications; and international law.
Soldiers from the 143rd Military Police Company, 49th Military Police Brigade, California National Guard, serving under Title 10 status, establish a security perimeter in Mecca, Calif., June 18, 2025. U.S. Northern Command is supporting federal agencies by providing military forces to protect federal functions, personnel, and property in the greater Los Angeles area. On June 7, the Secretary of Defense directed USNORTHCOM to establish Task Force 51 to oversee Title 10 forces supporting this mission. (U.S. Army photo by Sgt. Chase Murray)

Trump’s Use of Federal Troops in Drug Raid Outside of Los Angeles: An Alarming Escalation

"An alarming escalation of the president's efforts to use the military as a domestic police force. Based on currently available information, it appears to be illegal, as well"
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.
Screenshot from Newsom v. Trump hearing in 9th District Court of Appeals (via YouTube)

Posse Comitatus Act Meets the President’s “Protective Powers”: What’s Next in Newsom v. Trump

"Congress has been far more clear than is widely believed about what its view is..."
A collage of images featuring scenes from the Russia - Ukraine War.

Just Security’s Russia–Ukraine War Archive

A catalog of over 100 articles (many with Ukrainian translations) on the Russia Ukraine War -- law, diplomacy, policy options, and more.
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.
France's Minister of Armed Forces Sebastien Lecornu (centre L) and US Secretary of Defense Pete Hegseth (R)

Hidden in the U.S. Army’s New Reform Initiative Is a Warning for Europe

Europe must accept that continued dependence on the United States is not viable and build a fully self-sufficient European defense.
Mounted police officers during the No Kings Day protests on June 14, 2025 in Los Angeles, California. Marches and protests are taking place across the nation in opposition to Trump and recent ICE raids targeting immigrants. (Photo by Cristopher Rogel Blanquet/Getty Images)

The “Unwilling or Unable” Test for Sending U.S. Military to Los Angeles

"The state of California, however, has not yet raised this point in the ongoing litigation. That is a missed opportunity ...."
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