2018 Nuclear Posture Review Final Report

2018

REVIEW

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NUCLEAR POSTURE REVIEW

FEBRUARY 2018

OFFICE OF THE SECRETARY OF DEFENSE REVIEW

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CONTENTS

SECRETARY'S PREFACE ......................................................................I EXECUTIVE SUMMARY ......................................................................V

Introduction............................................................................................................. V An Evolving and Uncertain International Security Environment .............................................. V The Value of U.S. Nuclear Capabilities............................................................................ VI U.S. Nuclear Capabilities and Enduring National Objectives .................................................VII Deterrence of Nuclear and Non-Nuclear Attack.................................................................VII Assurance of Allies and Partners ...................................................................................VIII Achieve U.S. Objectives Should Deterrence Fail ...............................................................VIII Hedge against an Uncertain Future................................................................................. IX U.S. Nuclear Enterprise Personnel................................................................................. IX The Triad: Present and Future ...................................................................................... IX Flexible and Secure Nuclear Capabilities: An Affordable Priority ........................................... XI Enhancing Deterrence with Non-strategic Nuclear Capabilities............................................... XI Nuclear Command, Control, and Communications Modernization.........................................XIII Nuclear Weapons Infrastructure.................................................................................. XIV Countering Nuclear Terrorism .................................................................................... XV Non-proliferation and Arms Control ............................................................................ XVI

I. INTRODUCTION TO U.S. NUCLEAR POLICY AND STRATEGY .............. 1 II. AN EVOLVING AND UNCERTAIN INTERNATIONAL SECURITY ENVIRONMENT ................................................................................ 5

The Return of Great Power Competition ........................................................................... 6 Other Nuclear-Armed States Have Not Followed Our Lead .................................................... 7 Russia...................................................................................................................... 8 China .................................................................................................................... 11 North Korea............................................................................................................ 11 Iran ...................................................................................................................... 13 Uncertainties Regarding the Future Security Environment and the Threats it May Pose ................. 13

REVIEW

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