Department of Defense (DoD)

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A girl looks at a building destroyed by aerial attacks carried out by warplanes

The Silver Shield Act: A Bill to Track Misuse of American Weapons

Congress can turn to the Silver Shield Act when it is ready to take real action to prevent civilian harm from U.S. weapons transfers.
Capitol Building

Congress Has a Responsibility to Ensure Every Defense Dollar Delivers

Introducing bipartisan legislation to reform the Nunn-McCurdy Act, giving Congress greater oversight of defense spending and enforcing accountability for cost overruns.
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.
3D illustration of red planet Earth in global futuristic cyber-network, connection lines around the globe. Neural artificial grid shows data flow and cryptocurrency exchange in business concept. 4K

Rethinking the Global AI Race

If the United States continues to frame AI primarily as a short-term sprint toward technical milestones, it risks falling behind global peers and adversaries.
U.S. Defense Secretary Pete Hegseth (L) and Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine (R) turn to watch a video of a bombing test

What Counts as a Win?: Battle Damage Assessments and Public Messaging

The White House's future BDA briefings on the Iran strikes will likely project certainty where analysis still urges caution.
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?
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"
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..."
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 ...."
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.
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