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Suggested Citation:"Front Matter." National Research Council. 2012. The Comprehensive Nuclear Test Ban Treaty: Technical Issues for the United States. Washington, DC: The National Academies Press. doi: 10.17226/12849.
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THE COMPREHENSIVE NUCLEAR TEST BAN
TREATY—TECHNICAL ISSUES FOR
THE UNITED STATES


Committee on Reviewing and Updating Technical Issues Related to the
Comprehensive Nuclear Test Ban Treaty

Policy and Global Affairs

NATIONAL RESEARCH COUNCIL
OF THE NATIONAL ACADEMIES

THE NATIONAL ACADEMIES PRESS
Washington, D.C.
www.nap.edu

Suggested Citation:"Front Matter." National Research Council. 2012. The Comprehensive Nuclear Test Ban Treaty: Technical Issues for the United States. Washington, DC: The National Academies Press. doi: 10.17226/12849.
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THE NATIONAL ACADEMIES PRESS       500 Fifth Street, N.W.       Washington, DC 20001

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance.

This study was supported by Contract No. DE-DT0000878, TO#31 between the National Academy of Sciences and the Department of Energy, Contract No.SAQMMA09M1670 between the National Academy of Sciences and the Department of State, Grant No. B 8618 between the National Academy of Sciences and the Carnegie Corporation of New York, and by the National Academy of Sciences. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author (s) and do not necessarily reflect the views of the organizations or agencies that provided support for the project.

International Standard Book Number-13: 978-0-309-14998-3
International Standard Book Number-10: 0-309-14998-3

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Copyright 2012 by the National Academy of Sciences. All rights reserved.

Printed in the United States of America

Suggested Citation:"Front Matter." National Research Council. 2012. The Comprehensive Nuclear Test Ban Treaty: Technical Issues for the United States. Washington, DC: The National Academies Press. doi: 10.17226/12849.
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THE NATIONAL ACADEMIES

Advisers to the Nation on Science, Engineering, and Medicine

The National Academy of Sciences is a private, nonprofit, self-perpetuating society of distinguished scholars engaged in scientific and engineering research, dedicated to the furtherance of science and technology and to their use for the general welfare. Upon the authority of the charter granted to it by the Congress in 1863, the Academy has a mandate that requires it to advise the federal government on scientific and technical matters. Dr. Ralph J. Cicerone is president of the National Academy of Sciences.

The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding engineers. It is autonomous in its administration and in the selection of its members, sharing with the National Academy of Sciences the responsibility for advising the federal government. The National Academy of Engineering also sponsors engineering programs aimed at meeting national needs, encourages education and research, and recognizes the superior achievements of engineers. Dr. Charles M. Vest is president of the National Academy of Engineering.

The Institute of Medicine was established in 1970 by the National Academy of Sciences to secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health of the public. The Institute acts under the responsibility given to the National Academy of Sciences by its congressional charter to be an adviser to the federal government and, upon its own initiative, to identify issues of medical care, research, and education. Dr. Harvey V. Fineberg is president of the Institute of Medicine.

The National Research Council was organized by the National Academy of Sciences in 1916 to associate the broad community of science and technology with the Academy’s purposes of furthering knowledge and advising the federal government. Functioning in accordance with general policies determined by the Academy, the Council has become the principal operating agency of both the National Academy of Sciences and the National Academy of Engineering in providing services to the government, the public, and the scientific and engineering communities. The Council is administered jointly by both Academies and the Institute of Medicine. Dr. Ralph J. Cicerone and Dr. Charles M. Vest are chair and vice chair, respectively, of the National Research Council.

www.national-academies.org

Suggested Citation:"Front Matter." National Research Council. 2012. The Comprehensive Nuclear Test Ban Treaty: Technical Issues for the United States. Washington, DC: The National Academies Press. doi: 10.17226/12849.
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Suggested Citation:"Front Matter." National Research Council. 2012. The Comprehensive Nuclear Test Ban Treaty: Technical Issues for the United States. Washington, DC: The National Academies Press. doi: 10.17226/12849.
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COMMITTEE ON REVIEWING AND UPDATING TECHNICAL ISSUES
RELATED TO THE COMPREHENSIVE NUCLEAR TEST BAN TREATY


ELLEN D. WILLIAMS, Chair, BP

MARVIN L. ADAMS, Texas A&M University

LINTON BROOKS, Independent Consultant

THEODORE W. BOWYER, Pacific Northwest National Laboratory

DONALD D. COBB, Los Alamos National Laboratory (retired)

RICHARD L. GARWIN, Thomas J. Watson Research Center, IBM Corporation (emeritus)

RAYMOND JEANLOZ, University of California, Berkeley

RICHARD MIES, Independent Consultant

C. BRUCE TARTER, Lawrence Livermore National Laboratory (emeritus)


SUBCOMMITTEE ON SEISMOLOGY:
IN SUPPORT OF THE COMMITTEE ON REVIEWING AND UPDATING THE 2002
REPORT: TECHNICAL ISSUES RELATED TO THE COMPREHENSIVE NUCLEAR
TEST BAN TREATY

LYNN R. SYKES, Subcommittee Chair, Columbia University

HANS HARTSE, Los Alamos National Laboratory

PAUL G. RICHARDS, Columbia University

GREGORY VAN DER VINK, Terrametrics, LLC

WILLIAM R. WALTER, Lawrence Livermore National Laboratory

National Research Council Staff

GREG EYRING, Sr. Program Officer (August 2009 to June 2010)

Study Co-Director (from June 2010)

BENJAMIN J. RUSEK, Program Officer (August 2009 to June 2010)

Study Co-Director (from June 2010)

ANNE HARRINGTON, Study Director (August 2009 to June 2010)

MICAH D. LOWENTHAL, Director, Committee on International Security and Arms Control

(from November 2010)

RITA S. GUENTHER, Program Officer

LA’FAYE LEWIS-OLIVER, Administrative Coordinator

Suggested Citation:"Front Matter." National Research Council. 2012. The Comprehensive Nuclear Test Ban Treaty: Technical Issues for the United States. Washington, DC: The National Academies Press. doi: 10.17226/12849.
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Suggested Citation:"Front Matter." National Research Council. 2012. The Comprehensive Nuclear Test Ban Treaty: Technical Issues for the United States. Washington, DC: The National Academies Press. doi: 10.17226/12849.
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PREFACE

The Office of the Vice President and the White House Office of Science and Technology Policy requested this study, which was carried out under contracts with the Department of State and Department of Energy, with additional support from the Carnegie Corporation of New York and the National Academy of Sciences. The committee formed by the National Research Council (NRC) to carry out the study has conducted a review and assessment of changes in technical issues that have occurred since the NRC’s previous report on this topic, Technical Issues Related to the Comprehensive Nuclear Test Ban Treaty (NRC, 2002). In particular the committee was asked to address the following:

1) The risks in ensuring, over the longer term, a safe and reliable nuclear weapons stockpile absent underground nuclear-explosion testing, particularly including the experience of the U.S. stockpile stewardship program. (See Chapter 1)

2) The status of nuclear-explosion detection, taking into account the operating experience of the international monitoring system and improvements in U.S. national technical means in the last decade. (See Chapter 2)

3) The commitments required to sustain the U.S. stockpile and effective nuclear explosion monitoring. (See Chapter 3)

4) The potential technical advances to nuclear-weapon capabilities that might be gained by other countries from testing that might escape detection compared with those advances available with a return to full-yield testing in a non-test-ban environment. (See Chapter 4)

In addition, some further emphasis on certain issues was provided to the committee at its first meeting by Under Secretary of State for Arms Control and International Security, Ellen Tauscher, and Under Secretary of Energy for Nuclear Security and National Nuclear Security Administration Administrator, Thomas D’Agostino. They requested that the committee include its views in the study on (1) research that could improve or address shortfalls in monitoring capabilities, (2) the 2008 Comprehensive Nuclear-Test-Ban-Treaty Organization (CTBTO) Integrated Field Exercise and the utility of on-site inspections as a verification tool, (3) lessons learned from the 2006 and 2009 DPRK nuclear explosions, and (4) the possible effects of undetectable cheating. Items 1-3 are discussed in Chapter 2, and item 4 is discussed in Chapter 4.

In the course of this study, the committee has benefited from the invaluable assistance of many dedicated experts in different aspects of these issues, including representatives of U.S. government agencies and the Preparatory Commission of the CTBTO. Those who spoke to the committee at its meetings are listed in Appendix B. The committee was also granted access to the 2010 CTBT National Intelligence Estimate (NIE) and other intelligence reports relevant to the issues it was asked to address.

The Subcommittee on Seismology (see the biographies of members in Appendix A) was separately constituted for the purpose of providing input to the parent committee. At the direction of the committee, the subcommittee produced written input on seismology issues identified by the committee and interacted with the committee as needed. The subcommittee also raised issues to the committee that in its view had a material bearing on the committee’s work. In cooperation with subcommittee members, the committee integrated the subcommittee’s material into the committee’s report and worked with the subcommittee to produce technical appendices to further explain certain issues related to the report. We would especially like to

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Suggested Citation:"Front Matter." National Research Council. 2012. The Comprehensive Nuclear Test Ban Treaty: Technical Issues for the United States. Washington, DC: The National Academies Press. doi: 10.17226/12849.
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thank subcommittee member William Walter of Lawrence Livermore National Laboratory for his extraordinary work to see the study to completion.

This report has been reviewed in draft form by individuals chosen for their diverse perspectives and technical expertise, in accordance with procedures approved by the National Academies’ Report Review Committee. The purpose of this independent review is to provide candid and critical comments that will assist the institution in making its published report as sound as possible and to ensure that the report meets institutional standards for objectivity, evidence, and responsiveness to the study charge. The review comments and draft manuscript remain confidential to protect the integrity of the process.

We wish to thank the following individuals for their review of this report: John Ahearne, Sigma Xi, The Scientific Research Society; Mona Dreicer, Lawrence Livermore National Laboratory; John Foster, Northrop Grumman Aerospace Systems; Ward Hawkins, Los Alamos National Laboratory; Stephen LaMont, Los Alamos National Laboratory; Cherry Murray, Harvard University; C. Paul Robinson, Sandia National Laboratories; Lawrence Welch, Institute for Defense Analyses; and Jay Zucca, Lawrence Livermore National Laboratory.

Although the reviewers listed above have provided many constructive comments and suggestions, they were not asked to endorse the conclusions or recommendations, nor did they see the final draft of the report before its release. The review of this report was overseen by Richard Meserve and Russell Hemley, both from the Carnegie Institution for Science. Appointed by the National Academies, they were responsible for making certain that an independent examination of this report was carried out in accordance with institutional procedures and that all review comments were carefully considered. Responsibility for the final content of this report rests entirely with the authoring committee and the Academy.

In the following chapters, we review the technical changes related to the U.S. nuclear stockpile and to nuclear-explosion test monitoring that have occurred in the past ten years and place these in the context of their significance for national security. The discussion covers maintaining a safe, secure, and reliable nuclear stockpile; maintaining and expanding the ability to place clandestine testers at risk of detection via an effective monitoring capability; sustaining the U.S. human and physical infrastructure of these capabilities; and assessing the risks of undetected clandestine testing in contrast to the risks of full-yield nuclear-explosion testing unhindered by international agreements. To the extent that weapons laboratory management and contracting issues impinge on the quality of the nuclear weapons workforce and the sustainability of critical technical capabilities, the committee has commented on these issues.

The committee prepared both a classified and an unclassified version of this report. The National Research Council completed its peer review of the reports in March 2011 and then turned over the reports to the sponsoring agencies for security review. The committee updated data in the reports during the security review, but some text and figures reflect the March 2011 date the reports were sent to the agencies. The findings and recommendations are identical in the two versions, except for a few cases in which classified passages are paraphrased in the unclassified report.

For the benefit of the reader, a glossary of specialized terms from the 2010 CTBT NIE is provided as Appendix K.

Ellen D. Williams

Chair

Suggested Citation:"Front Matter." National Research Council. 2012. The Comprehensive Nuclear Test Ban Treaty: Technical Issues for the United States. Washington, DC: The National Academies Press. doi: 10.17226/12849.
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The Comprehensive Nuclear Test Ban Treaty: Technical Issues for the United States Get This Book
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This report reviews and updates the 2002 National Research Council report, Technical Issues Related to the Comprehensive Nuclear Test Ban Treaty (CTBT). This report also assesses various topics, including:

  • the plans to maintain the safety and reliability of the U.S. nuclear stockpile without nuclear-explosion testing;
  • the U.S. capability to detect, locate, and identify nuclear explosions;
  • commitments necessary to sustain the stockpile and the U.S. and international monitoring systems; and
  • potential technical advances countries could achieve through evasive testing and unconstrained testing.

Sustaining these technical capabilities will require action by the National Nuclear Security Administration, with the support of others, on a strong scientific and engineering base maintained through a continuing dynamic of experiments linked with analysis, a vigorous surveillance program, adequate ratio of performance margins to uncertainties. This report also emphasizes the use of modernized production facilities and a competent and capable workforce with a broad base of nuclear security expertise.

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