As Director and Co-Director of the Belfer Center, Ash Carter and Eric Rosenbach have inherited from Graham Allison the world’s No. 1-ranked university think tank. They intend to build on that success by sustaining the Center’s core mission while widening its aperture; enhancing its unique ability to leverage science and technology to meet global challenges; and priming the next generation of leaders in both scholarship and policymaking.

President Barack Obama announced Monday that he has nominated Dr. Ashton B. Carter to serve as Under Secretary of Defense for Acquisition, Technology and Logistics.

This report of the International Security Advisory Board (ISAB) offers nineteen recommendations for discouraging a cascade of nuclear weapons states.

Failure to develop a comprehensive contingency plan, such as the one proposed here, and inform the American public, where appropriate, about its particulars will only serve to amplify the devastating impact of any nuclear attack on a U.S. city

Former Clinton administration officials Ashton Carter and William Perry argue that the most effective way to curb the threat from Pyongyang is to destroy its missiles at their test sites

Should the United States allow a country openly hostile to it and armed with nuclear weapons to perfect an intercontinental ballistic missile capable of delivering nuclear weapons to U.S. soil? We believe not. If North Korea persists in its launch preparations, the United States should immediately make clear its intention to strike and destroy the North Korean Taepodong missile before it can be launched.

The National Security Advisory Group sounds a warning, raising awareness about the state of our ground forces today and the very real risk that poses to our future security. The group also proposes an action plan for restoring the health and vitality of the U.S. military.

Dr. Ashton B. Carter testifies before the Senate Committee on Foreign Relations.

Dr. Ashton B. Carter testifies before the Senate Foreign Relations Committee.

Ashton B. Carter and William J. Perry remember the 1994 North Korean nuclear crisis in this New York Times op-ed.