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Ukraine

Support a settlement but stay away from security guarantees

Russia’s invasion of Ukraine has evolved into a grinding war of attrition concentrated on the Donbas. The U.S. should support a settlement, while avoiding providing security guarantees to Ukraine in exchange for a deal to end the war.

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UKRAINE EXPERTS

Photo of Benjamin Friedman

Benjamin
Friedman

Policy Director

Defense Priorities

Photo of Daniel DePetris

Daniel
DePetris

Fellow

Defense Priorities

Photo of Lyle Goldstein

Lyle
Goldstein

Director, Asia Program

Defense Priorities

Jennifer
Kavanagh

Senior Fellow & Director of Military Analysis

Defense Priorities

Photo of Chris McCallion

Christopher
McCallion

Fellow

Defense Priorities

Op-edUkraine‑Russia, Europe and Eurasia

A long-term plan to secure peace for Ukraine

By Jennifer Kavanagh

October 12, 2026

After months spent cheering Ukraine’s so-called turning of the tide, the fall has brought with it a more sober reality […]

In the mediaUkraine‑Russia, Europe and Eurasia

Zelenskyy risks rupture with Trump as midterms pressure mounts

Featuring Jennifer Kavanagh

October 12, 2026

Op-edUkraine‑Russia, Europe and Eurasia, NATO

An EU-style Article 4 mechanism would be insignificant

By Daniel DePetris

September 30, 2026

ukraine flag

Symposia: Lessons from Russia’s invasion of Ukraine

As the one-year mark of the Ukraine-Russia war approaches, Moscow has failed in many of its objectives. Ukraine has effectively blunted several major Russian advances and reclaimed large swaths of its territory from invading forces. Though the war continues, and seems far from over, there are already many key takeaways from the fighting—and the conflict’s causes and implications remain hotly contested.

Defense Priorities (DEFP) organized this symposium to stimulate thinking about the most important lessons learned from this ongoing war. Top experts, writing from a range of perspectives, share their insights in an effort to inform and improve U.S. policy.

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The Latest

Types

In the mediaUkraine‑Russia, Europe and Eurasia, Russia, Ukraine

As Walls Close In, Zelensky Lashes Out

Featuring Jennifer Kavanagh

September 16, 2026

Op-edUkraine‑Russia, Europe and Eurasia, Russia, Ukraine

Trump Zelensky Trump denials can’t hide billions in U.S. weapons sent to Ukraine

By Jennifer Kavanagh

September 9, 2026

In the mediaUS‑Israel‑Iran, Europe and Eurasia, Iran, Middle East, Ukraine, Ukraine‑Russia

U.S. Munitions Sent to Ukraine Compared to Iran War as Trump Blames Biden

Featuring Jennifer Kavanagh

September 4, 2026

Op-edUkraine‑Russia, Europe and Eurasia, NATO, Russia, Ukraine

Russia does not want a war with Europe

By Jennifer Kavanagh

August 28, 2026

ExplainerTaiwan, Asia, Europe and Eurasia, Russia, Ukraine, Ukraine‑Russia

Accommodation: An underutilized strategy for great-power rivals

By Moritz Graefrath

August 27, 2026

Op-edUkraine‑Russia, Europe and Eurasia, Russia, Ukraine

Zelensky is running out of political cover

By Jennifer Kavanagh

August 20, 2026

DEFP in the Media

Connect with Experts

Read at Bloomberg: Zelenskyy risks rupture with Trump as midterms pressure mounts

Featuring Jennifer Kavanagh

October 12, 2026

Read at The American Conservative: As Walls Close In, Zelensky Lashes Out

Featuring Jennifer Kavanagh

September 16, 2026

Read at Newsweek: U.S. Munitions Sent to Ukraine Compared to Iran War as Trump Blames Biden

Featuring Jennifer Kavanagh

September 4, 2026

EVENTS ON UKRAINE

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virtualUkraine‑Russia, Diplomacy, Europe and Eurasia, Military analysis, Russia, Ukraine

Ukraine’s critical choice: Pursue peace or fight on

April 16, 2025

virtualUkraine‑Russia, Europe and Eurasia, Russia, Ukraine

Trump and Ukraine: Prolonging or ending the war

December 13, 2024

virtualNATO, Alliances and commitments, Europe and Eurasia, Russia, Ukraine, Ukraine‑Russia

A ‘bridge’ to NATO or false hope for Ukraine?

July 12, 2024