Report Release — Extended Deterrence in the Second Nuclear Age: Geopolitics, Proliferation, and the Future of U.S. Security Commitments

Ever since the early days of the Cold War, extended nuclear deterrence has been one of the most important but challenging aspects of American strategy. During the past 25 years, however, many of the extended deterrence dilemmas that preoccupied U.S. policymakers in the past ceased to be a major source of concern.