"When I took the oath of office, in February 2015, with two years left in the Obama administration, I made a specific commitment to ensure that the U.S. military continues to be a place where America’s finest want to serve. It was clear to me then that the Defense Department would need to keep pace with the dramatic changes — many of them technological — reshaping the economy, the labor market, and human resource management."

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.

PDP Co-Director Ashton B. Carter testifies before the Senate Committee on Homeland Security and Governmental Affairs.

This National Security Advisory Group report provides a new comprehensive strategy for reducing nuclear threats and preventing nuclear terrorism.

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

Ashton B. Carter, William J. Perry, and Michael May call on the United States government to formulate contingency plans that may save thousands of lives and billions of dollars, prevent panic and promote recovery should a nuclear weapon go off in an American city.