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Defense and Security

What the New World Screwworm Outbreak Reveals About US Agricultural Security

Analysis
by Deborah Rosenblum

The parasite's reappearance for the first time in decades is emblematic of broader vulnerabilities in the agricultural sector.

Cattle graze near a sterile fly dispersal station placed by the US Department of Agriculture to combat the spread of the New World screwworm
Eric Gay / AP
Food and Agriculture

How Russia's War on Ukraine is Reshaping Europe's Defense Strategy

Analysis
by Armida van Rij

The conflict offers lessons for how to bolster European security with less support from the United States.

A Ukrainian serviceman shoots towards a drone during training at the polygon, in Zaporizhzhia region, Ukraine.
Andriy Andriyenko / AP
Defense and Security

What the Defense Industry Discussed at the NATO Summit

Analysis
by Coauthors

North American and European industry representatives met in Ankara to discuss how to enhance the alliance’s capabilities through increased production, cooperation, and joint procurement.

Participants walk near displays during the NATO Defense Industry Forum
Hussein Malla / AP
Defense and Security

President Trump Says Ceasefire with Iran is Over. What Happens Next?

In the News
NPR
Ariane Tabatabai

"Ultimately, I don't think that either the United States or Iran wants to return to March, when we had large-scale operations," says Council Vice President of Research for Security and Defense Ariane Tabatabai. "And so this, in my mind, is the new steady state for the foreseeable future."

President Donald Trump speaks during a media conference at the NATO summit in Ankara, Turkey.
Emrah Gurel / AP
US Foreign Policy

NATO's Most Complicated Member: Turkey

Podcast
Deep Dish on Global Affairs Podcast

As NATO adapts to wars in Europe and the Middle East, Turkey is becoming harder to ignore. Aslı Aydıntaşbaş explains how Turkey is balancing its alliances, expanding its influence, and positioning itself as a middle power.

Erdogan
Hussein Malla / AP
Defense and Security

NATO 3.0: A Tagline in Search of a Concept

In the News
Lawfare
Ariane Tabatabai

"Implementing NATO 3.0 in any meaningful sense requires the administration to name the threat that the alliance exists to deter," Council Vice President of Research for Security and Defense Ariane Tabatabai and John Drennan write.

NATO and US flags wave in the wind outside NATO headquarters in Brussels
Virginia Mayo / AP
US Foreign Policy

Beyond Defense Spending: What's at Stake for NATO in Ankara

Analysis
by Coauthors

Ahead of the 2026 NATO Summit, Council experts examine deeper fractures over threat perception, alliance trust, and Washington's commitment.

NATO Secretary General Mark Rutte speaks after a meeting of NATO defense ministers at NATO headquarters in Brussels
Virginia Mayo / AP
Global Politics

In Iran, America's Military Readiness Takes a Costly Hit

Analysis
by Ariane Tabatabai

From Venezuela to the Middle East, the Trump administration has not hesitated to use force. But even the world’s most powerful military has its limits.

Military hardware is paraded in Washington to commemorate the Memorial Day, Monday, May 25, 2026, coinciding with the nation's 250th anniversary celebrations.
Jose Luis Magana / AP
Defense and Security

Israel and Iran Halt Fire amid Standoff over Lebanon

In the News
CNN
Leslie Vinjamuri

The recent strikes could complicate US efforts to negotiate a deal with Tehran, Council President and CEO Leslie Vinjamuri tells CNN. "This sort of escalatory violence, if there's a return to that, it gets that much more difficult."

Leslie Vinjamuri speaks with a CNN journalist Defense and Security

Ceasefire Under Strain: Where US-Iran Peace Talks Stand

In the News
WTTW
Ariane Tabatabai

Ariane Tabatabai, the Council's vice president of research for security and defense, joins Chicago Tonight to discuss the latest on the war, Iran's nuclear program, and more.

Ariane Tabatabai on Chicago Tonight Defense and Security