In policy pronouncements over the last two administrations, the protection of the American homeland was regularly identified as the first priority of U.S. missile defense efforts. Homeland missile defense today is provided by the Ground-based Midcourse Defense program and other elements of the larger Ballistic Missile Defense System. The limited defenses fielded today have advanced considerably since limited defensive operations began in late 2004, but nevertheless they remain too limited ...

For decades, the United States has led the effort to stem the spread of nuclear weapons, both among potential adversaries and among its allies and partners. The current state of deterrence and of the nonproliferation regime, however, is open to many doubts. What happens if the nonproliferation regime should break down altogether? What happens if extended deterrence should fail, and allies no longer believe in the credibility of the U.S. nuclear umbrella? What happens when the world has not...

Despite the rising salience of missile threats, current air and missile defense forces are far too susceptible to suppression. Today’s U.S. air and missile defense (AMD) force lacks the depth, capacity, and operational flexibility to simultaneously perform both missions. Discussions about improving AMD usually revolve around improvements to the capability and capacity of interceptors or sensors. Rather than simply doing more of the same, the joint integrated air and missile defense (IAMD) ...

This study explores the growing competition for scarce dollars at the U.S. Missile Defense Agency (MDA). It traces the authorities, roles, and missions assigned to the agency and the growing trend of using what was originally intended to be a research and development budget for procurement and sustainment of missile defense assets. As adversary missile arsenals develop in both size and sophistication, continued improvements to our current missile defense systems will be required to keep pa...

Project Atom is a forward-looking, “blue-sky” review of U.S. nuclear strategy and posture in a 2025-2050 world in which nuclear weapons are still necessary. The report highlights and addresses the current deficit in national security attention paid to the continued relevance and importance of U.S. nuclear strategy and force posture, provides a new open-source baseline for understanding the nuclear strategies of other countries, and offers a credible, intellectually tested, and nonpartisan ...

The National Defense Authorization Act of 2016 mandates a review of missile defeat policy, strategy, and capability to be completed by January 2018. This upcoming Missile Defeat Review (MDR) represents an opportunity for the Trump administration to articulate a vision for the future of air and missile defense. This collection of expert essays explores how the strategic environment for missile defense and defeat has evolved since 2010 and offers recommendations to help guide and inform the ...