Department of Defense (DoD)

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CARIBBEAN SEA - SEPTEMBER 22: In this handout provided by the U.S. Navy, An AH-1Z Cobra, assigned to Marine Medium Tiltrotor Squadron (VMM) 263 (Reinforced), fires an air-to-ground missile (AGM) 114N during a live-fire exercise on September 22, 2025 in the Caribbean sea.

Using an Unmarked Aircraft to Attack an Alleged Drug Boat: Is it Perfidy?

Did the Sept. 2 strike on suspected drug traffickers using an unmarked aircraft violate the prohibition on perfidy, or other LOAC rules, had there been an armed conflict?
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.
(L) Treasury Secretary Scott Bessent; (R) Daniel Driscoll

Will Trump Allow Private Equity to Gut the Army Too?

Previous Army privatization experiences demonstrate that the logic of Secretary Driscoll’s proposal to court private equity firms is difficult to defend.
The US Navy warship USS Sampson (DDG 102) docks at the Amador International Cruise Terminal in Panama City on September 02, 2025. Venezuelan President Nicolas Maduro said on September 1, 2025, that eight US military vessels with 1,200 missiles were targeting his country, which he declared to be in a state of "maximum readiness to defend" itself. (Photo by MARTIN BERNETTI/AFP via Getty Images)

Timeline of Boat Strikes and Related Actions

A timeline that chronicles major events in the Trump administration’s campaign of lethal strikes against suspected drug traffickers in the Caribbean and Eastern Pacific.

Hypothetical Legal Review on Judge Advocates Serving as Immigration Judges

A hypothetical legal review examining the OLC's legal basis for having Judge Advocates serve as immigration judges.
Aerial view of the Pentagon

The International Law Obligation to Investigate the Boat Strikes

Operation Southern Spear’s lethal boat strikes are unlawful under IHRL and, even on the administration’s own terms, trigger binding LOAC and DoD duties to investigate.
U.S. Rep. Raja Krishnamoorthi (D-IL) (R) speaks as Rep. Joaquin Castro (D-TX) looks on

Questions Lawmakers Should Ask About Inspector General Report on Signalgate

The OIG report on the "Signalgate" incident is far from the “total exoneration” claimed by Hegseth and his aides.
(L-R) British Prime Minister Keir Starmer, Finnish President Alexander Stubb, Ukrainian President Volodymyr Zelensky, U.S. President Donald Trump, French President Emmanuel Macron, Italian Prime Minister Giorgia Meloni, German Chancellor Friedrich Merz, and NATO Secretary General Mark Rutte

The Quiet Rebalance in Transatlantic Intelligence

Recent developments are deepening European officials' existing unease about Washington's steadiness as a security partner.
US Marines unload from an Osprey V-22 aircraft at Jose Aponte de la Torre Airport

Killing Shipwrecked Survivors is Not Just Illegal—It Endangers U.S. Servicemembers

If the United States chooses a path where killing defenseless survivors becomes acceptable, American servicemembers will pay the price for that choice.
Visualization of nuclear weapons against a yellow background

Could “A House of Dynamite” Spark a Public Rethink of Nuclear Risk?

There’s no shortage of opportunities to reduce the chances that a war game – or the plot of “Dynamite” – is never played out in real-time.
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.
Workers wearing hard hats stand in a desert landscape under and around a long tube-like structure suspended from cables overhead. The tube appears to have differently sized and shaped compartments and equipment inside, and extending from the near end in the direction of the right side of the photo are numerous sets of cables in different colors, possibly connected to something offscreen.

Trump’s Nuclear Testing Remark Was a Signal — Not a Strategy

The science is sound, the stockpile is strong, and the call to test a nuclear bomb has no technical foundation. Resuming testing would not make America safer.
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