Defense strategy & policy

Crafting sustainable, nonpartisan strategies with our allies and partners to counter, deter, and overcome the diverse military challenges posed by great-power competitors and other potential adversaries.

About our work

The Department of Defense needs a clear roadmap to counter today’s myriad security challenges—from strategic competitors and regional aggressors to violent extremist organizations and climate change. Strategic thinking is essential in order to align priorities and ensure US and allied national security.

Forward Defense explores this issue set through frank review of current defense policy, cogent expert analysis of the present security environment, and actionable recommendations for strategy to meet future defense challenges.

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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

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Featured reports

Content

Seizing the advantage

Feb 19, 2021

How the next National Defense Strategy can get serious about emerging technologies

By Justin Sherman, Evanna Hu

US adversaries including China, Iran, and Russia are investing in additional technological capabilities to counterbalance the United States’ advantages in great-power competition—specifically its dominance in kinetic operations and weapons. The next NDS must differentiate among different technologies to create more nuanced strategies.

Defense Industry Defense Policy

Issue Brief

Feb 4, 2021

Toward trilateral arms control: Options for bringing China into the fold

By Matthew Kroenig, Mark J. Massa

The Cold War-era paradigm of bilateral arms control between the United States and Russia is becoming increasingly untenable. Including a rising China with a growing nuclear arsenal is essential. This issue brief shows the way forward with options for bringing China into the nuclear arms control fold on a trilateral basis with the United States and Russia.

Arms Control China

Seizing the advantage

Feb 4, 2021

Elevating ‘deterrence by denial’ in US defense strategy

By Erica D. Borghard, Benjamin Jensen, and Mark Montgomery

As the Biden administration reshapes foreign policy and makes decisions about how to invest in US military capabilities for the future, it should acknowledge the value of a denial-based approach to deterrence.

Defense Industry Defense Policy

Seizing the advantage

Feb 3, 2021

How the US can regain the advantage in its next National Defense Strategy

By Clementine G. Starling-Daniels, Matthew R. Crouch

To seize the advantage, the next US National Defense Strategy needs a paradigm adjustment, not a shift. In the next NDS, the Biden defense team must take a broader definition of competition if the United States is to succeed in deterring, defending, and shaping the strategic environment in its favor.

Conflict Defense Industry

Issue Brief

Dec 29, 2020

The Future of DHS Project: Key Findings and Recommendations: Congressional Oversight

By Thomas Warrick & Mark J. Massa

The Department of Homeland Security (DHS) is overseen by more than ninety committees and subcommittees–an oversight burden far greater than any other cabinet department. This issue brief proposes that Congress streamline its oversight of DHS to increase its effectiveness as a department with national security responsibilities.

Defense Policy Infrastructure Protection

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In the news

In the News

Mar 16, 2026

Costa in the Washington Post on military readiness in Iran

By Atlantic Council

On March 16, Forward Defense Director Joe Costa published an article in the Washington Post on the impacts of the war in Iran on US military readiness. Writing alongside Ely Ratner of the Marathon Initiative, Costa argues that the threat to readiness runs deeper than depleted stockpiles—deferred maintenance, equipment cannibalization, and broken dwell-to-deploy thresholds threaten […]

China Defense Policy

In the News

Mar 12, 2026

Costa quoted in AFP article on US interceptor stocks in the conflict with Iran

By Atlantic Council

On March 2, Forward Defense director Joe Costa was quoted in an AFP article on US air defense interceptor stocks. Costa cautioned that a sustained conflict with Iran could impact the availability of these capabilities for other global priorities.

Defense Policy Defense Technologies

In the News

Feb 28, 2026

Daniels featured on NewsNation panel on the Pentagon’s use of AI

By Atlantic Council

On February 28, Forward Defense Nonresident Senior Fellow Owen Daniels appeared on a NewsNation panel discussing the Pentagon’s feud with Anthropic. Daniels points out that Anthropic’s action could set a precedent for future AI companies behavior, and that the Pentagon was concerned by this possibility.  

Artificial Intelligence Defense Policy

In the News

Feb 27, 2026

Daniels quoted in CNN article on the Anthropic safety saga

By Atlantic Council

On February 26, Forward Defense Nonresident Senior Fellow Owen Daniels was quoted in a CNN article on the Pentagon’s security concerns over Anthropic. Daniels pointed out that a large, near-term consequence for Anthropic is the loss of client and potential customer value and trust in the company.  

Artificial Intelligence Defense Policy

In the News

Feb 25, 2026

Daniels in PBS News on Anthropic’s bargaining power with the Pentagon

By Atlantic Council

On February 24, Forward Defense Nonresident Senior Fellow Owen Daniels was quoted in a PBS News article on Secretary of Defense Pete Hegseth’s feud with AI company Anthropic. In the article, Daniels points out that Anthropic does not have much bargaining power in the Pentagon, as other peers have complied with department policy. 

Artificial Intelligence Defense Policy

Forward Defense leads the Atlantic Council’s US and global defense programming, developing actionable recommendations for the United States and its allies and partners to compete, innovate, and navigate the rapidly evolving character of warfare. Through its work on US defense policy and force design, the military applications of advanced technology, space security, strategic deterrence, and defense industrial revitalization, it informs the strategies, policies, and capabilities that the United States will need to deter, and, if necessary, prevail in major-power conflict.

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