In-depth research & reports

21st Infantry Division guard post on the Korean Demilitarized Zone

Issue Brief

Jul 17, 2025

Collective security in the Indo-Pacific: Rethinking the United Nations Command

By Richard D. Butler, Shawn P. Creamer

Europe has NATO. The Indo-Pacific needs a similar mechanism. Enter the United Nations Command, a legacy of the Korean War ready to be refitted for the current threat landscape in the Pacific.

Indo-Pacific
NATO
Republic of Korea Marines storm onto beach during a simulated amphibious assault

Issue Brief

Jul 10, 2025

South Korea is the ideal anchor for the first island chain

By Brian Kerg

The assumptions underpinning analysis and discussion of conflict in the Indo-Pacific are due for a rethink. Though many conversations about Chinese military aggression assume South Korea would not get involved, it could play a decisive role in deterring and defeating an attack on Taiwan.

China
Conflict

Report

Jul 8, 2025

For the US and the free world, security demands a resilience-first approach

By Elizabeth Sizeland

This report is the foundational document of the Adrienne Arsht National Security Resilience Initiative and outlines a bold vision to embed resilience as a core pillar of US and allied security. As crises compound, this report calls for investing across individual, institutional, and international levels of resilience to withstand, adapt, and thrive amid disruption. 

Crisis Management
Cybersecurity

Report

Jul 3, 2025

The National Defense Strategy Project

By Atlantic Council experts

As the world enters a pivotal new phase in global security, the United States must not only respond to current challenges but also anticipate those on the horizon. 

Artificial Intelligence
Defense Policy

Issue Brief

Jul 3, 2025

A US defense strategy to win the next conflict

By Clementine G. Starling-Daniels

Amid rising global tensions and rapid technological change, the forthcoming National Defense Strategy is set to reshape US military strategy. Its success hinges on five key priorities.

Defense Industry
Defense Policy

Issue Brief

Jul 3, 2025

Homeland defense in an era of new strategic threats

By Clementine G. Starling-Daniels, Amy Cowley

From launching cyberattacks to targeting critical infrastructure, US rivals are bringing the fight closer to home. Defending against these threats will require not just military might, but smarter defense planning, greater resilience, and military modernization.

Defense Industry
Defense Policy

Issue Brief

Jul 3, 2025

A pivot to China—not Asia

By Clementine G. Starling-Daniels, Edward Brady, Theresa Luetkefend

The next National Defense Strategy must prioritize competition with China beyond the Indo-Pacific—and clearly define how to recalibrate the size, structure, and posture of US forces.

Defense Industry
Defense Policy

Issue Brief

Jul 1, 2025

A US framework for assessing risk in critical mineral supply chains

By Reed Blakemore, Peter Engelke

Critical mineral risks to US national and economic security should be evaluated on a mineral-by mineral basis

Critical Minerals
Energy & Environment

Report

Jun 30, 2025

Second-order impacts of civil artificial intelligence regulation on defense: Why the national security community must engage

By Deborah Cheverton

Civil regulation of artificial intelligence (AI) is hugely complex and evolving quickly, with even otherwise well-aligned countries taking significantly different approaches. At first glance, little in the content of these regulations is directly applicable to the defense and national security community.

Artificial Intelligence
Defense Technologies

Issue Brief

Jun 5, 2025

Immediate steps that Europe can take to enhance its role in NATO defense

By Franklin D. Kramer, Kristen Taylor

As NATO members gather in the Hague amid uncertainty about US commitment to the continent and concerns about Russia’s military rebuilding, what can European nations do to deter and, if necessary, defeat threats from Moscow?

Europe & Eurasia
NATO