War Powers

Highlights:

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.
Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine discusses the mission details of a strike on Iran during a news conference at the Pentagon on June 22, 2025 in Arlington, Virginia. U.S. President Donald Trump gave an address to the nation last night after three Iranian nuclear facilities were struck by the U.S. military. In the image he is showing the media a graphic that describes the timeline of the operation. (Photo by Andrew Harnik/Getty Images)

The Day After U.S. Strikes on Iran’s Nuclear Program: A Policy and Legal Assessment

An expert policy and legal assessment of the U.S. strikes on Iran's nuclear facilities and what comes next.
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.
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.
A person wearing a Panamanian flag steps on a U.S. flag.

Upending the International Order: Why Undermining the UN Charter and US Defense Commitments is Self-Defeating

The President should understand that bellicose threats and unreliability as an ally may leave the United States poorer and more vulnerable on his watch and will frustrate his nuclear…
A man walks in front of the Supreme Court building at dusk.

The Courts Can Stop Abuse of the Alien Enemies Act – the Political Question Doctrine is No Bar

Many of the emergency powers a president could unlock through pretextual invocations and arbitrary proclamations are injurious to a free, fair, and democratic society. The courts…
× Clear Filters
156 Articles
Marco Rubio on stage at Trump Rally

Questions for Senators (and Journalists) to Ask Secretary of State Nominee Marco Rubio

Experts suggest questions for the Senate Foreign Relations Committee's confirmation hearing for Trump's pick for Secretary of State, Sen. Marco Rubio.
The US Constitution with a gavel laid on it.

National Security Resilience and Reform: Trump 2.0 and Beyond

Beginning a national security reform process is not just necessary, but urgently demanded to break inertia and launch a new dynamic.
WASHINGTON, DC - AUGUST 01: U.S. President Joe Biden speaks from the Blue Room balcony of the White House on August 1, 2022 in Washington, DC. Biden announced that over the weekend, U.S. forces launched an airstrike in Afghanistan that killed al-Qaeda leader Ayman Al-Zawahiri. Zawahiri, 71, took over leadership of al-Qaeda in 2011, shortly after American forces killed Osama bin Laden. The president said there were no civilian casualties. (Photo by Jim Watson-Pool/Getty Images)

A Presidential Proclamation to End the Iraq War: Unilateral Executive Action to Defang a Zombie AUMF

President Biden should proclaim the conflict authorized by the 2002 resolution to be over and determine that it is no longer “necessary and appropriate” to use force for the…
Members of the Yemeni Coast Guard affiliated with the Houthi group patrol the sea as demonstrators march through the Red Sea port city of Hodeida in solidarity with the people of Gaza on January 4, 2024, amid the ongoing battles between Israel and the militant Hamas group in Gaza.

Regional Conflict in the Middle East and the Limitations of the War Powers Resolution

The involvement of U.S. armed forces in hostilities in this tinderbox—without congressional authorization—should spur the legislative branch into action, including to enact…
U.S. Secretary of State Antony Blinken testifies during a House Foreign Affairs Committee hearing on Capitol Hill March 23, 2023 in Washington, DC.

Key Takeaways from September 28 House Foreign Affairs Committee Hearing on AUMF Reform

The HFAC hearing clarified the shallowness of the Biden administration’s conception of AUMF reform, divisions between the political branches and within the House, and the risks…
The dome of the US Capitol Building against a blue sky.

Why “Associated Forces” Should be Kept Out of Any New AUMF

Any new AUMF must be limited to only the clearly specified non-state armed groups Congress has voted to authorize war against. Otherwise, Congress risks hard-wiring a multi-front…
The U.S. Capitol in Washington, D.C.

Questions for Congress to Ask the Biden Administration at the AUMF Hearing

Congress should seek to determine how the executive branch interprets and relies on the 2001 AUMF and where the administration stands on proposed reforms that have been widely…
The U.S. Capitol in Washington, D.C.

Analyzing Previously Undisclosed Use of Force Reports: Challenges of Congressional Oversight of the War on Terror

The executive branch, through noncompliance and defiance, has delayed providing Congress with sufficient information on the war on terror.

How the Expansion of “Self-Defense” Has Undermined Constraints on the Use of Force

Legal Scholar Oona Hathaway examines how expansive U.S. interpretations of "self-defense" have shaped international law.

Finally Ending America’s Forever War, Part II: Prescription

Leading legal scholar Harold Hongju Koh presents a long-term strategy for ending the "war on terror."
STRAIT OF HORMUZ (Aug. 6, 2023) An L3 Harris Arabian Fox MAST-13 unmanned surface vessel, front, the U.S. Coast Guard fast response cutter USCGC Charles Moulthrope (WPC 1141), the dry cargo and ammunition ship USNS Amelia Earhart (T-AKE 6) and the guided-missile destroyer USS Thomas Hudner (DDG 116) transit the Strait of Hormuz, Aug. 6, 2023. (U.S. Navy photo)

Renewed Tensions in the Persian Gulf: Further War Powers Lessons from the Tanker War

The possibility of unilateral use of force spiraling into conflict in the Middle East should generate a sense of urgency on Capitol Hill for tackling war powers reform.
An aerial image shows migrants waiting along the border wall to surrender to Border Patrol agents for immigration and asylum claim processing

DeSantis Campaign’s Border Proposal Raises Separation of Powers Concerns

Florida governor and U.S. presidential candidate Ron DeSantis has proposed action that would flout constitutional and statutory limits.
1-12 of 156 items

DON'T MISS A THING. Stay up to date with Just Security curated newsletters: