Military

Highlights:

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.
People and first-responders gather outside a building that was hit by an Israeli strike in Tehran on June 13, 2025. Israel hit about 100 targets in Iran on June 13, including nuclear facilities and military command centres and killing senior figures including the armed forces chief and top nuclear scientists. (Photo by MEGHDAD MADADI/TASNIM NEWS/AFP via Getty Images)

The Israeli Strike on Iran the U.S. Saw Coming, but Couldn’t Stop

The Israel-Iran crisis will be a key test for how the Trump administration handles national security crises and its ability to respond.
California National Guard members stand guard outside the Federal Building as protests continue in response to federal immigration operations in Los Angeles on June 10, 2025. (Photo by APU GOMES/AFP via Getty Images)

The Mounting Crisis of Militarizing Immigration Enforcement

When part-time soldiers police their neighbors, federal authority displaces state and local officials, and strains civil-military relations.
National Guard soldiers and US Department of Homeland Security (DHS) Police officers clash with demonstrators outside the Metropolitan Detention Center, MDC, in downtown Los Angeles, California on June 8, 2025. (Photo by FREDERIC J. BROWN/AFP via Getty Images)

“The Insurrection Act” by Any Other Name: Unpacking Trump’s Memorandum Authorizing Domestic Deployment of the Military

"The Memorandum ... raises many of the same concerns as an Insurrection Act invocation would, and that could end up looking quite similar in practice."
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.
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..."
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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.
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 ...."
A U.S. Army reviewing stand continues to be built in front of the White House ahead of the Army's 250th birthday parade and celebration on June 11, 2025 in Washington, DC. Tanks and other heavy military equipment have arrived in the Nation's Capital for a military parade in honor of the U.S. Army's 250th anniversary, which coincides with President Donald Trump's birthday and Flag Day. (Photo by Andrew Harnik/Getty Images)

The Military Parade and Protections of the First Amendment

The President’s invocation of purported authority to deploy the military in response to free speech raises alarming applications of untested laws meant only for emergencies.
The Just Security Podcast

The Just Security Podcast: The Situation in Los Angeles and the U.S. Military

An expert discussion with audience Q&A on the events in Los Angeles, the federalization of the National Guard, and use of U.S. Marines.
A Huthi fighter checks the damage following overnight strikes

A Strategic Pivot is Needed for Long-term Peace and Stability in Yemen

To establish peace in the Red Sea region, the Trump administration must invest in Yemeni pro-democracy groups & move away from military force.
The Situation in Los Angeles and the U.S. Military Graphic

June 12 YouTube Live Event: The Situation in Los Angeles and the U.S. Military

A public event including audience Q&A on pressing legal and policy issues at stake.
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.
Ukrainian rescuers work to extinguish a fire in a trolleybus depot following a drone strike in Kharkiv on May 30, 2025, amid the Russian invasion of Ukraine.(Photo by SERGEY BOBOK/AFP via Getty Images)

Can Trump Seize a Win in Ukraine?

It’s in Trump’s hands to deliver the logic of force: to rally the West, to back Ukraine, squeeze Russia, and set the stage for a win for Ukraine, the free world, and the U.S.
U.S. Soldier performs maintenance on a Browning .50 Cal Heavy-Barrel machine gun

If McDonald’s Can Fix Its Own Machines, Why Can’t the U.S. Military?

Congress should pass legislation to give U.S. service members the tools and the authority to repair their own equipment.
Secretary Noem posts an Instagram reel on April 8, 2025 with the text message: "Human traffickers. Drug Smugglers. 18th Street Gang members. Spent the morning in Phoenix with our brave @icegov and Arizona law enforcement arresting these dirtbags and getting them off of our streets."

What are “Wartime Authorities” and When Can the President Use Them? An Expert Q&A

It is essential to understand the line between war and peace, scrutinize the application of wartime powers, and interrogate the president’s assertions when he triggers them.
This photo taken on September 10, 2024 shows people walking though a market area being rebuilt in Lashio in Myanmar's northern Shan state, after the Myanmar National Democratic Alliance Army (MNDAA) seized the town from Myanmar's military in August. (Photo by STR/AFP via Getty Images)

Why the Trump Administration Should Engage on Burma Now – and How

Washington must decide: whether it will watch history unfold to its detriment, or help write history to the benefit of both Burma/Myanmar and the United States?
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