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Through a variety of policies and actions--and most recently in a new military doctrine adopted in February 2010--Russia has indicated the types of situations and threats that might cause it to resort to using nuclear weapons. This volume examines Russia's evolving framework for nuclear deterrence a... More

This report analyzes defense options available to the United States in responding to current and emerging threats to U. S. security and interests in Europe, the Middle East, and Asia. It focuses on ways that the United States might adapt military instruments to meet these emerging challenges, asse... More

As Iran's nuclear program evolves, U.S. decisionmakers will confront a series of critical policy choices involving complex considerations and policy trade-offs. These policy choices could involve dissuading Iran from developing nuclear weapons; deterring Iran from using its nuclear weapons, if it we... More

The Maidan Revolution in Ukraine created an opportunity for change and reforms in a system that had resisted them for 25 years. This report examines Ukraine’s security sector—assessing what different institutions need to do and where gaps exist—and offers recommendations for the reform of Ukraine’s ... More