Use of Force

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A US army battle tank drives with other infantry-fighting vehicles across dunes.

How Support to Partner Forces Enables Secret War

With security cooperation as a means of pursuing U.S. military objectives becoming more frequent, Department of Defense-led security cooperation, particularly under §§ 333, 127e,…
Somali soldiers enter Sanguuni military base, where an American special operations soldier was killed by a mortar attack on June 8, about 450 km south of Mogadishu, Somalia, on June 13, 2018

What the White House Use of Force Policy Means for the War in Somalia

In principle, the new policy tightens safeguards for airstrikes and special operation raids. But it contains loopholes that will likely allow business as usual for USAFRICOM in…
A military drone replica is displayed in front of the White House during a protest against drone strikes on January 12, 2019 in Washington, DC.

The Biden Drone Playbook: The Elusive Promise of Restrained Counterterrorism

The new policy guidance on direct action is welcome, but more work is needed to fulfill the promise of restrained counterterrorism.
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)

What Was the International Legal Basis for the Strike on al-Zawahiri?

Serious questions need to be addressed in order to establish that both the killing of Zawahiri, and the use of force against Afghanistan, were not violations of international law.

Top Experts Raise Questions Regarding Legal Basis of Zawahiri Strike

A note from co-editors-in-chief Tess Bridgeman and Ryan Goodman: Although Just Security is on hiatus this week, we wanted to be sure to examine and reflect on the U.S. airstrike…
US vehicle is pictured at a military base in Rumaylan (Rmeilan) in Syria's northeastern Hasakeh province on July 28, 2020. (Photo by Delil SOULEIMAN / AFP) (Photo by DELIL SOULEIMAN/AFP via Getty Images)

Still at War: The United States in Iraq

There are both benefits and risks to maintaining a U.S. military presence in Iraq.
ILE PHOTO: C-5s are parked on the flight line, soon to be on their way to Mogadishu, Somalia. (Photo by USAF)

Biden’s New Counterterrorism Policy in Somalia: Cautions and Unknowns

More information is needed to assess the strategic and legal basis for redeploying U.S. troops to Somalia.
US vehicle is pictured at a military base in Rumaylan (Rmeilan) in Syria's northeastern Hasakeh province on July 28, 2020. (Photo by Delil SOULEIMAN / AFP) (Photo by DELIL SOULEIMAN/AFP via Getty Images)

Still at War: The United States in Syria

It is time to reconsider U.S. strategic objectives in Syria and the legal basis for the use of force there.
Low angle view of a dome, Capitol Building, Washington DC, USA - stock photo

Congressional Action on Civilian Harm Resulting from U.S. Military Operations: Part I

Congress has introduced two landmark bills aimed at addressing systemic problems with civilian harm.
Low angle view of a dome, Capitol Building, Washington DC, USA - stock photo

Congressional Action on Civilian Harm Resulting from U.S. Military Operations: Part II

Congress has introduced two landmark bills aimed at addressing systemic problems with civilian harm.
US vehicle is pictured at a military base in Rumaylan (Rmeilan) in Syria's northeastern Hasakeh province on July 28, 2020. (Photo by Delil SOULEIMAN / AFP) (Photo by DELIL SOULEIMAN/AFP via Getty Images)

Still at War: The Forever War Legal Paradigm in Afghanistan

The Biden administration faces tough legal choices following the U.S. withdrawal from Afghanistan.
Image: BRUSSELS, BELGIUM - MARCH 24: British Prime Minister Boris Johnson (L), German Chancellor Olaf Scholz (C), U.S. President Joe Biden (C-R) and Canada's Prime Minister Justin Trudeau (R) looks on during a video call with Volodymyr Zelensky, President of Ukraine, during a NATO summit on Russia's invasion of Ukraine, at the alliance's headquarters in Brussels, on March 24, 2022 in Brussels, Belgium. Heads of State and Government take part in the North Atlantic Council (NAC) Summit, where they will decide on the next steps to strengthen NATO's deterrence and defence. (Photo Denzel/Bundesregierung via Getty Images)

Does the ‘Responsibility to Protect’ Require States to go to War with Russia?

In short: No. Here's how to understand what the R2P commitment does require in Ukraine and beyond.
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