In-depth research & reports

British Army soldiers during Steadfast Dart 25, the Allied Reaction Force’s first large-scale exercise, in Romania on February 17, 2025. North Atlantic Treaty Organization (NATO)/Flickr, https://www.flickr.com/photos/nato/54354207050/in/album-72177720324100561.

Issue Brief

Jun 2, 2025

For NATO in 2027, European leadership will be key to deterrence against Russia

By Scott Lee, Andrew Michta, Peter Jones, and Lisa Bembenick

NATO lacks the operational integration, logistics, and joint force capabilities needed to quickly counter Russian mass and tempo near its borders. With the United States increasingly focused elsewhere, how can the Alliance retain military superiority in 2027 without overreliance on US military might?

Defense Policy Europe & Eurasia

Issue Brief

May 30, 2025

New presidents and new nuclear developments test the United States–Republic of Korea alliance

By Heather Kearney, Amanda Mortwedt Oh

In the coming years, the US-South Korea (Republic of Korea, or ROK) alliance is likely to be tested in at least three fundamental ways: by a concerning growth in North Korea’s nuclear and ballistic missile weapons program; by changes to ROK defense capabilities and structures, including the establishment of ROK Strategic Command (ROKSTRATCOM); and by potential strategy and policy changes under new US and ROK political administrations.

Arms Control Elections

Issue Brief

May 30, 2025

The frontier is the front line: On climate resilience for infrastructure and supplies in Canada’s Arctic

By Jeffrey Reynolds, Kristen Taylor

The front lines of strategic competition now run through the Arctic. Ottawa must do more to enhance its military readiness and infrastructure preparedness in the region.

Climate Change & Climate Action Defense Policy

Report

May 12, 2025

A rising nuclear double-threat in East Asia: Insights from our Guardian Tiger I and II tabletop exercises

By Markus Garlauskas, Lauren D. Gilbert, Kyoko Imai

A decade from now, the United States will face even tougher challenges in the Indo-Pacific than it does today. With this in mind, the Atlantic Council’s Guardian Tiger tabletop exercise series is preparing mid-level government and military leaders to address such threats.

Arms Control China

Issue Brief

Apr 29, 2025

The United States needs a victory plan for the Indo-Pacific

By Brian Kerg

The United States remains focused on planning for a short, sharp war with China. But a potential conflict will almost certainly become a long war of attrition.

China Crisis Management

Issue Brief

Apr 24, 2025

Defending Taiwan means mobilizing society, not just the military

By Marvin J. Park

Taiwan is under unprecedented pressure from the People’s Republic of China (PRC), facing coordinated threats on multiple fronts.

China Defense Industry

Report

Apr 16, 2025

Navigating the US-PRC tech competition in the Global South

By Cole McFaul, Peter Engelke

A landscape report analyzing China’s strategic tech engagements with the Global South and how the US can compete.

Africa Artificial Intelligence

Report

Apr 11, 2025

The imperative of augmenting US theater nuclear forces

By Greg Weaver

The United States and its allies and partners face an impending change in the threats they face from nuclear-armed adversaries: a strategic environment marked by two nuclear peer major powers.

Defense Policy Europe & Eurasia

Issue Brief

Apr 10, 2025

Win fast or lose big against China

By Bradley T. Gericke

MG Bradley Gericke, US Army (ret.), argues that the US must prepare to win quickly in a conflict with China to deter war and avoid the high costs of protraction.

China Conflict

Issue Brief

Mar 31, 2025

Why NATO’s Defence Planning Process will transform the Alliance for decades to come

By Angus Lapsley and Pierre Vandier

NATO’s successes over the last seventy-six years are the result of constant adaptation, and the Alliance is now going through its most profound changes since the end of the Cold War.

Europe & Eurasia International Organizations
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