War Powers

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Screenshot of Memorandum for Legal Advisor, National Security Council Re: Proposed War Department Operation to Support Law Enforcement Efforts in Venezuela, published December 23, 2025.

The Trump Administration’s Theory of Constitutional War Powers: “The President Could Decide”

The legal memo justifying its Venezuela operations provides insight into the administration's use-of-force decisions and the factual evidence undergirding them.
Flags of USA and Iran

Top Experts’ Backgrounder: Military Action Against Iran and US Domestic Law

Experts who advised a president on use of force answer a full range of basic questions on the conditions under which action against Iran would be lawful, and what options Congress…
US Secretary of State Marco Rubio testifies during a Senate Foreign Relations Committee hearing

Five War Powers Takeaways from the Senate’s Venezuela Hearing

The Senate's hearing with Rubio offered little solace to those concerned about the use of force against Venezuela.
Denmark's Veterans hold Denmark and Greenland's flags.

Greenland Post-Davos: Enforcing 22 USC 1928f to Save NATO and Contain Trump’s Lawless Foreign Policy

In his threats against Greenland, President Trump has violated the U.N. Charter, the North Atlantic Treaty, and Section 1928f, prompting Congress to take swift action.
A person enjoys an afternoon walk near the sea on January 15, 2026 in Nuuk, Greenland. (Photo by Alessandro RAMPAZZO / AFP via Getty Images)

How Congress Can Preserve NATO and Greenland: Using 22 USC 1928f to Protect the Peace

Trump’s threats to invade Greenland risk destroying NATO itself, but a little-known statute, 22 U.S.C. 1928f, could prevent him from doing just that.
US Capitol building at sunset with moon

War Powers, Venezuela, Drug Boats, and Congress

The last year of unauthorized military interventions and the president’s threats should spur Congress to reassert its constitutional prerogatives over the use of force.
People watch the smoke rising from Port of La Guaira after explosions and low-flying aircraft were heard on January 03, 2026 in La Guaira, Venezuela. According to some reports, explosions were heard in Caracas and other cities near airports and military bases around 2 am. US President Donald Trump later announce that his country's military had launched a "large-scale" attack on Venezuela and captured its President Nicolas Maduro and his wife. (Photo by Jesus Vargas/Getty Images)

U.S. Intelligence in a Post-Maduro Venezuela

Intelligence has a central role to play in capitalizing on the successful capture of Maduro and stabilizing post-Maduro Venezuela, demonstrating U.S. capabilities and resolve.

Congress, the President, and the Use of Military Force in Venezuela

Did the president have the authority under U.S. law to undertake Operation Absolute Resolve without congressional authorization? Leading experts say he did not.
The Just Security Podcast Cover Image

The Just Security Podcast: Murder on the High Seas Part IV

Co-hosted with RCLS, a panel of experts discuss the Trump administration's continued campaign of lethal strikes against suspected drug traffickers.
Members of Venezuelan army stand at a table showing weapons to a crowd of civilian onlookers.

As Trump Presses for a Post-Maduro Venezuela: Questions, Lessons, and Warnings for the Aftermath

As the Trump administration positions for possible military strikes, it would be wise to prepare for looming governance and stability challenges in Venezuela.
U.S. Secretary of State Marco Rubio walks down stairs

From Secret Law (2001-2024) to None at All (2025-present)

The Trump administration's lethal strikes are the apotheosis of the last quarter century's often always secret and often unreviewable executive branch legal reasoning.
Screenshot of the mock legal review by Daniel Maurer.

Hypothetical Legal Review of Narcotrafficking Strikes

A mock “operational legal review” depicting what a staff judge advocate’s advice should have been prior to the first reported strike on an alleged drug trafficking vessel.
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