When I began my career in elementary particle physics, the great figures who taught and inspired me had been part of the Manhattan Project generation that developed the atomic bomb. They were proud to have created a “disruptive” technology that ended World War II and deterred a third world war through more than 50 years of tense East-West standoff. They were also proud to have made nuclear power possible. But their understanding of the underlying technology also gave them a deep regard for the awesome, unavoidable risks that came with those technologies.

Ash Carter discusses public service, opening the military to transgender troops, and North Korea's latest missile launch with actor Jim Parsons on his SiriusXM radio show "Jim Parsons Is Too Stupid For Politics."

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

A paper by the National Security Advisory Group

Ashton B. Carter, William J. Perry, and John M. Shalikashvili address the danger of loose nukes in North Korea in this Wall Street Journal op-ed.

Most national security debates concern the outcomes of policies, neglecting the means by which those policies are implemented. This book argues that although the US military is the finest fighting force in the world, the system that supports it is in disrepair. Operating with Cold War-era structures and practices, it is subject to managerial and organizational problems that increasingly threaten our military's effectiveness.

Dr. Ashton B. Carter in Foreign Affairs.

Article by Dr. Ashton B. Carter in Survival

Article examining NATO's past, present, and future for the Eisenhower Institute

Report on April 1998 PDP-sponsored workshop to discuss the future of the relationship between Ukraine and NATO