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1、 REVIEW 2018 This page left intentionally blank REVIEW NUCLEAR POSTURE REVIEW FEBRUARY 2018 OFFICE OF THE SECRETARY OF DEFENSE This page left intentionally blank REVIEW CONTENTS SECRETARYS PREFACE . I EXECUTIVE SUMMARY . V Introduction . V An Evolving and Uncertain International Security Environment
2、 . 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.
3、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 Infrastruc
4、ture . 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 Ou
5、r Lead . 7 Russia. 8 China . 11 North Korea . 11 Iran . 13 Uncertainties Regarding the Future Security Environment and the Threats it May Pose . 13 III. WHY U.S. NUCLEAR CAPABILITIES? . 15 U.S. Nuclear Capabilities . 16 IV. ENDURING NATIONAL OBJECTIVES AND THE ROLES OF NUCLEAR WEAPONS IN U.S. NATION
6、AL SECURITY STRATEGY . 19 Deterrence of Nuclear and Non-Nuclear Attack . 20 Assurance of Allies and Partners . 22 Achieve U.S. Objectives Should Deterrence Fail . 23 Hedge against an Uncertain Future . 24 V. TAILORED STRATEGIES AND FLEXIBLE CAPABILITIES . 25 Tailored Deterrence . 26 Flexible Capabilities . 26 VI. U.S. STRATEGIES TO COUNTER CONTEMPORARY THREATS . 29 A Tailored Strategy for Russia . 30 A Tailored Strategy for China . 31 A Tailored Strategy for North Korea . 32 A Tailored Strategy for Iran . 33 Extended Deterrence and Tailored
