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."

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

"CSIA's research on cooperative denuclearization began during the August 1991 putsch against Mikhail Gorbachev. To those of us familiar with nuclear weapons, their construction, and command and control, and with the looming revolution about to sweep the then–Soviet Union, it was plain that a new and unprecedented danger to international security was emerging. An appropriate policy response to this new form of nuclear threat could not be fashioned from traditional Cold War tools of deterrence, arms control, and military preparedness alone. Safety could only be sought through new policies emphasizing cooperative engagement with the new states, new leaders, and military and industrial heirs of the former Soviet Union...."

Op-ed by Dr. Ashton B. Carter and Dr. Graham T. Allison in The Washington Post

Book by Ashton B. Carter, Kurt M. Campbell, Steven E. Miller, and Charles Zraket

Book by Ashton Carter, Desmond Ball, Hans Bethe, Bruce Blair, Paul Bracken, Hillman Dickinson, Richard Garwin, Kurt Gottfried, David Holloway, Henry Kendall, Lloyd Leavitt, Jr., Richard Ned Debow, Condoleezza Rice, Peter Stein, John Steinbruner, Lucja Swiatkowski, and Paul Tomb.