In-depth research & reports

Issue Brief

Nov 4, 2025

A next-generation agenda: South Korea-US-Australia security cooperation

By Lauren D. Gilbert, Kester Abbott, Hannah Heewon Seo

Growing collaboration and cooperation between the United States, South Korea, and Australia could be key to maintaining security and prosperity in the Indo-Pacific. The Atlantic Council and the Korea Foundation gathered rising experts from the United States, South Korea, and Australia to identify obstacles to that cooperation and opportunities to overcome them.

Australia Defense Industry

Report

Oct 15, 2025

What Taiwan can learn from China’s gray-zone actions against the Philippines

By Chung-Yu Chou

China uses different tactics for different aims: slow but persistent maritime incursions off the coast of the Philippines and high-speed aerial harassment in Taiwanese airspace. But Manila’s responses offer useful lessons for Taipei. A new study of the Philippines’ experience shows what Taiwan can do to create limits on Chinese action without triggering open conflict.

Conflict Crisis Management

Report

Oct 15, 2025

How the US and Europe can deter and respond to Russia’s chemical, biological, and nuclear threats

By Philippe Dickinson, Ryan Arick, Natasha Lander Finch

A willingness to use chemical weapons has long been a feature of Russian aggression, on the battlefield in Ukraine and on the streets of Europe. Will Russia escalate to the use of biological weapons? And what about the country’s nuclear saber-rattling? An in-depth study of how Russia uses these threats calls for a strong NATO response.

Conflict Crisis Management

Report

Oct 9, 2025

The imperative for hypersonic strike weapons and counterhypersonic defenses

By Michael E. White

A new report based on dozens of discussions with defense policymakers and industry representatives takes stock of how the United States military should handle the challenge posed by missiles capable of flying more than five times the speed of sound.

Defense Industry Defense Technologies

Issue Brief

Oct 9, 2025

Critical minerals in crisis: Stress testing US supply chains against shocks

By Reed Blakemore, Alexis Harmon, Peter Engelke

How can policymakers prepare for shocks to critical mineral supply chains and create mineral security amid a wide range of threats and challenges?

Energy & Environment Geopolitics & Energy Security

Issue Brief

Sep 30, 2025

As Europe’s neutral states shift closer to NATO, Ireland approaches a turning point for its security

By Maeve Drury and Jason C. Moyer

Ireland spends the least of any EU country on defense. Taoiseach Micheál Martin wants to change that. With military neutrality deeply rooted in the country’s history of violent civil conflict, what will re-armament take?

Europe & Eurasia Maritime Security

Issue Brief

Sep 11, 2025

Private industry should step up to protect the global maritime order

By Elisabeth Braw

Who should protect the global maritime order? While a growing number of countries have begun to violate maritime rules, the maritime sector has the opportunity, and an obligation, to help prevent further deterioration of the rules that underpin safe commerce and safe passage on the seas.

Economy & Business Europe & Eurasia

Issue Brief

Aug 27, 2025

Navigating the new normal: Strategic simultaneity, US Forces Korea flexibility, and alliance imperatives

By Bee Yun Jo

The future of deterrence on the Korean Peninsula—and indeed, the wider Indo-Pacific region—will hinge on Seoul’s ability to reframe US force realignments not as unilateral disengagements but as catalysts for action.

Defense Policy Korea

Issue Brief

Aug 21, 2025

Addressing China’s military expansion in West Africa and beyond

By Tressa Guenov

As China expands its military reach in West Africa, the United States risks losing strategic ground on the continent. The next National Defense Strategy must confront China’s ambitions beyond the Indo-Pacific, balancing defense diplomacy, bilateral military relationships, and counterterrorism.

Africa China

Issue Brief

Aug 21, 2025

Winning through people: The human capital advantage in great-power competition

By Beth Foster and Alex Wagner

To maintain military readiness, deter conflict, and preserve its technological edge, the United States must prioritize human capital by investing in resilient service members and a skilled civilian workforce.

Defense Policy Peacekeeping and Peacebuilding
Load More