Stanford University

Nuclear weapons threaten global security, Robert McNamara argues at CISAC event

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Former U.S. Secretary of Defense Robert McNamara urged the elimination of nuclear weapons, in an address to CISAC members and supporters Oct. 18 at Encina Hall. Human infallibility introduces too much risk in maintaining nuclear weapons, he argued, adding that the weapons do not present a viable military strategy in any event.

Forty-two years ago this week, the United States and the Soviet Union came within a hair's breadth of unleashing nuclear destruction upon one another during the Cuban missile crisis, Robert McNamara, defense secretary under the Kennedy and Johnson administrations, recounted to scholars and others gathered at a dinner Oct. 18 organized by the Center for International Security and Cooperation.

In post-Cold War meetings between principal players in the crisis, including Soviet generals and Fidel Castro, it became clear that the decision-making process of all three governments had been distorted by misinformation and misjudgment, he said. "Events will always slip out of control," McNamara said as he repeated one of the lessons delineated in the 2004 documentary Fog of War: The indefinite combination of human fallibility with nuclear weapons leads to human destruction. "The only way to eliminate the risk is to eliminate nuclear weapons," he said.

The current weapons policy of the United States and the North Atlantic Treaty Organization is folly, the 88-year-old McNamara said. In 45 years of working on nuclear weapons issues, "I've never seen a document outlining a plan that shows how we would benefit by using nuclear weapons," he said. To use such weapons against a nuclear state is suicide, to use them against a non-nuclear state would be politically unwise and morally repugnant, he added.

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Crisis on the Korean Peninsula: Implications for U.S. Policy in Northeast Asia

I am a child of the Cold War. As such, my thinking for decades was conditioned by the great issue of that era: How to maintain freedom in the face of our perceptions of Soviet ambitions for world domination?

For the first few decades of the Cold War, the United States strategy for achieving this objective was containment backed up with a powerful nuclear deterrence. But as the nuclear arms race heated up, it became increasingly clear that this strategy risked precipitating a nuclear holocaust. Thus, by the late sixties, nuclear arms control had become the overriding security issue - certainly it dominated my thinking on security during that era.

But with the ending of the Cold War, the threat of nuclear holocaust receded and arms control, as we had practiced it during that era, was no longer the dominant security issue. The most serious threat to the United States became nuclear weapons in the hands of failed states or terrorists - used not in a standard military operation, but in extortive or apocalyptic ways. Therefore, in the present era, preventing the proliferation of nuclear weapons replaces arms control as the organizing principle for our security. Certainly it has dominated my thinking on security for the last decade.

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William J. Perry

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Michael and Barbara Berberian Professor (emeritus) at FSI and Engineering
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William Perry is the Michael and Barbara Berberian Professor (emeritus) at Stanford University. He is a senior fellow at the Freeman Spogli Institute and the Hoover Institution, and serves as director of the Preventive Defense Project. He is an expert in U.S. foreign policy, national security and arms control. He was the co-director of CISAC from 1988 to 1993, during which time he was also a part-time professor at Stanford. He was a part-time lecturer in the Department of Mathematics at Santa Clara University from 1971 to 1977.

Perry was the 19th secretary of defense for the United States, serving from February 1994 to January 1997. He previously served as deputy secretary of defense (1993-1994) and as under secretary of defense for research and engineering (1977-1981). Dr. Perry currently serves on the Defense Policy Board (DPB). He is on the board of directors of Covant and several emerging high-tech companies. His previous business experience includes serving as a laboratory director for General Telephone and Electronics (1954-1964); founder and president of ESL Inc. (1964-1977); executive vice-president of Hambrecht & Quist Inc. (1981-1985); and founder and chairman of Technology Strategies & Alliances (1985-1993). He is a member of the National Academy of Engineering and a fellow of the American Academy of Arts and Sciences.

From 1946 to 1947, Perry was an enlisted man in the Army Corps of Engineers, and served in the Army of Occupation in Japan. He joined the Reserve Officer Training Corps in 1948 and was a second lieutenant in the Army Reserves from 1950 to 1955. He was awarded the Presidential Medal of Freedom in 1997 and the Knight Commander of the British Empire in 1998. Perry has received a number of other awards including the Department of Defense Distinguished Service Medal (1980 and 1981), and Outstanding Civilian Service Medals from the Army (1962 and 1997), the Air Force (1997), the Navy (1997), the Defense Intelligence Agency (1977 and 1997), NASA (1981) and the Coast Guard (1997). He received the American Electronic Association's Medal of Achievement (1980), the Eisenhower Award (1996), the Marshall Award (1997), the Forrestal Medal (1994), and the Henry Stimson Medal (1994). The National Academy of Engineering selected him for the Arthur Bueche Medal in 1996. He has received awards from the enlisted personnel of the Army, Navy, and the Air Force. He has received decorations from the governments of Albania, Bahrain, France, Germany, Hungary, Japan, Korea, Poland, Slovenia, and Ukraine. He received a BS and MS from Stanford University and a PhD from Pennsylvania State University, all in mathematics.

Director of the Preventive Defense Project at CISAC
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Teaching About Nuclear Weapons

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With nuclear weapons, there is no effective defense. As a result, unless or until universal disarmament can be achieved, arming to prevent war can only mean nuclear deterrence. The US and the Soviet Union overdid deterrence by a large factor in my estimation, but the general view is that it seemed to work in that particular situation. The key assumption of nuclear deterrence is that the prospect of a single weapon dropped on a single city makes any war of conquest unattractive. Equally important is that the inevitable devastation was obvious to all ahead of time, so that the usual demagogic arguments for war failed and for the most part were not made.

No one pretends that what I have just said about nuclear deterrence is the whole story. For one thing, there are many traps and dangers in the actual practice of nuclear deterrence. What is to be done, for instance, about challenges that don't directly involve the risk of nuclear war but might do so down the line? There were plenty of such challenges during the Cold War, in Korea, in Berlin, in Cuba, and in Israel.

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Michael M. May
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Eden wins award for book on government's failure to predict nuclear fire damage

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Whole World on Fire, by CISAC associate director for research Lynn Eden, received the 2004 Robert K. Merton Professional Award from the Science, Knowledge and Technology section of the American Sociological Association. The award was presented to Eden on Aug. 15 during the association's annual meeting in San Francisco.

The award committee cited the book's merits:

"Whole World on Fire is an ambitious undertaking that examines a critical problem using theory and methods from two fields of sociology: the sociology of science and technology and the sociology of organizations. It is a study of how organizational processes led nuclear scientists to drastically underestimate the damage of a nuclear attack. At a deeper level, it is a study in the social construction of organizational knowledge.

"The question Eden addresses is: How and why, for more than half a century, did the U.S. government fail to predict nuclear fire damage as it drew up plans to fight strategic nuclear war? Eden's research shows that U.S. efforts focused on the damage that would result from the explosion while systematically ignoring the far more damaging effects of subsequent fires. How and why could this 'ignorance' continue until today? . . .

"This book takes a position on an ongoing scientific controversy about the predictability of fire damage and on scientists' current assessments of risk. There is a debate in science and technology studies about whether we should take positions on scientific controversies--that is, on the science itself. Some scholars prefer to leave arguments about the 'science' to the scientists and instead follow the activities and political logics of the various debating parties. In this case, Eden chooses to take a stand on the truth claims of the science in question. As such, Whole World on Fire is a work of intellectual daring.

"To our knowledge, there have been few sociological studies that have penetrated the inner workings of the military establishment. Few sociologists have studied the highest reaches of the social structure, as does Eden in this study. In fact, those of us who study science and medicine usually do our research in university-based laboratories or teaching hospitals--that is, we study people who are in some senses like ourselves.

"While the book addresses a critical issue--that is, nuclear-weapons policy, it is an exemplar of how sociological concepts can illuminate important public issues. Eden's analysis can be readily applied to explaining how decision makers construct relevant and legitimate science to illuminate disasters such as the collapse of the Twin Towers. But what convinced one committee member of the book's power was a recent New York Times article describing the findings of the committee investigating the Iraq War. The Committee reported that the CIA had systematically denied the credibility of numerous reports that Iraq's weapons of mass destruction did not exist, in part because those reports were outside its organizational frame.

"Finally, we all believe that this book will have a major public impact. In addition to its accessible style and meticulous research, the book is often riveting and sometimes chilling. We had thought that by now everyone believed that survivable nuclear war is an oxymoron; that people had filled in their bomb shelters long before the close of the Cold War. That a significant portion of the military establishment still believes that a limited, winnable and survivable nuclear war is possible gave us nightmares. That Eden's book may give people nightmares is only appropriate, given the frightening scenario she presents."

Serving on the award committee were Renee Anspach, Department of Sociology, University of Michigan; Sydney Halpern, Department of Sociology, University of Illinois at Chicago; Kathryn Henderson, Department of Sociology, Texas A&M University; and Joan Fujimura (Chair), Department of Sociology and Robert F. and Jean E. Holtz Center for Science and Technology Studies, University of Wisconsin-Madison.

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Boost-phase missile defense debate continues

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Based on his own analysis of airborne intercept (ABI) options, the Dean Wilkening argues that the American Physical Society study may underestimate the feasibility of intercepting solid-propellant intercontinental ballistic missiles. He says he sees "no serious technical barrier to an effective ABI system." However, policy decisions about the use of such a system should be based on security concerns that transcend technical issues, he cautions.

The article by Daniel Kleppner, Frederick Lamb, and David Mosher (Physics Today, January 2004, page 30) summarizes the results of the excellent American Physical Society study released in July 2003 on boost-phase options for national missile defense.1 The study represents one of the most authoritative analyses to date on the subject and will enhance the quality of the public debate on missile defense for years to come. However, although I agree with many of the study's conclusions, the overall assessment is somewhat pessimistic, especially with respect to the feasibility of intercepting solid-propellant intercontinental ballistic missiles.

My analysis of airborne intercept options suggests that first-generation airborne boost-phase interceptors (ABIs) carrying 90-kg kinetic-kill vehicles should be effective against liquid-propellant ICBMs. It also suggests that second-generation ABIs with 50-kg KKVs could be effective against solid-propellant ICBMs, provided the ABIs can get within approximately 500-600 km of the ICBM launch site, which is possible for relatively small states such as North Korea.2

ABIs have the advantage that they can contribute to an effective theater missile defense--an important mission given the widespread proliferation of short- and medium-range ballistic missiles. In fact, ABIs are the only form of terrestrial boost-phase intercept that can be effective against very short burn-time ICBMs or short-range ballistic missiles because, if necessary, ABI launch platforms can fly over an opponent's territory. Neither ground-based nor naval-based interceptors have that option.

One should also note that ABI systems pose very little threat to the strategic nuclear forces of the five major nuclear powers; hence, they are not nearly as destabilizing as other forms of missile defense. To the extent that one takes seriously the rhetoric of sharing US ballistic missile defense technology, ABI systems can be transferred because they do not threaten US or allied strategic forces.

The difference between my conclusions and those of the APS study arises from different technical assumptions that result, in my case, in greater intercept ranges. In particular, I assumed that an airborne X-band radar can be built within the next decade, which, for favorable geographies like North Korea, can reduce target-detection and tracking delays by as much as 10 to 15 seconds compared to those in the APS study. I also made the assumption, based on the burn times for existing US and Russian solid-propellant ICBMs, that solid-propellant ICBMs have a nominal burn time of 180 s; the APS study assumed a 170-s burn time based on US solid-propellant submarine-launched ballistic missile technology. Also, airborne missiles can accelerate faster; hence, they can have higher average flight speeds compared to surface-based interceptors (on which the APS study focused) because the drag force is lower at high altitudes.

Nevertheless, solid-propellant ICBMs are very difficult targets. Successful intercept will require sensor architectures that push the limits of target detection and tracking, and large (1500 kg), high-speed (6.0 km/s ideal velocity) two-stage airborne interceptors carrying lightweight KKVs. While 50-kg KKVs stretch the limits of what currently is possible, solid-propellant ICBMs stretch current offensive threat possibilities. Neither may be far-fetched 10 years from now.

ABIs do have drawbacks. However, none of them are so severe as to eliminate ABIs from consideration as a viable component of a future US missile defense architecture. In fact, airborne intercept is probably the most attractive boost-phase missile defense option.

Preferences regarding boost-phase ballistic missile defense often have more to do with different threat assessments, operational and political issues, and cost than with technical disagreements. I see no serious technical barrier to an effective ABI system. Nevertheless, the decision to proceed with any form of ballistic missile defense, ABIs included, should be based on an assessment of the system's priority relative to such other important US security concerns as countering terrorism and modernizing conventional forces. From this perspective, the US currently is spending too much on ballistic missile defense.

References

1. D. K. Barton et al., Report of the APS Study Group on Boost-Phase Intercept Systems for National Missile Defense: Scientific and Technical Issues, July 2003; available at http://www.aps.org/public_affairs/popa/reports/nmd03.cfm.

2. See D. A. Wilkening, Science and Global Security, (in press).

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Devon Curtis

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Hamburg Fellow

Devon Curtis was a 2003-2004 Hamburg Fellow at CISAC and a doctoral candidate in the Department of International Relations at the London School of Economics. Her dissertation looks at external actors and the promotion of power sharing agreements in ethnic conflict, focusing on the case of Burundi. Ms. Curtis also holds an MA and a BA in Political Science and Economics from McGill University. Previously, Ms. Curtis has lectured at the London School of Economics and has worked as a researcher at the Privy Council Office of the Government of Canada, the United Nations Staff College, the International Development Research Centre and the Forum of Federations. She has also served as a consultant to a number of non-governmental organizations, including the Overseas Development Institute.

Effects of September 11: A Rift Between Europe and America

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Covering the intricate facets of America's most important democratic tradition, this book serves as an important resource to understand how citizens' views are translated into governmental action.

George Washington toured the countryside on horseback asking citizens their thoughts on his new government. Abraham Lincoln held weekly meetings with citizens to better understand their views. Today, public opinion is power, and no nation can afford to ignore it. Determining what the public is thinking is not always easy. Polls are powerful weapons, but they can be misused.

Public Opinion and Polling around the World presents a thorough review of public opinion from its roots in colonial America to its role in today's emerging democracies. More than 100 entries prepared by top scholars examine the 200-year history of public opinion, measurement methodologies with an emphasis on telephone interviews and Internet polls, and key figures like George Gallup and Elmo Roper, who created their own polling systems.

An analysis of theories compares schools of thought from the fields of psychology, sociology, and economics and explores how people form opinions. A fascinating snapshot of the public's current views on economic issues, foreign policy, gender, gay rights, and other hot-button topics observes patterns across genders, race, ethnic origins, class, and religion in regions all over the world. Students, academicians, and political observers will discover answers to such questions as, "does public opinion shape the behavior of government?"

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ABC-CLIO in "Public Opinion and Polling Around the World: A Historical Encyclopedia"
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U.S. Nuclear Posture

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The size and shape of U.S. nuclear forces must be determined in the context of the highest considerations of United States strategy. And one of the highest strategic considerations for the United States in the coming decades is to prevent the use of nuclear warheads against any city in the U.S. or indeed anywhere in the world, whether by the act of a state or of a terrorist group. Contrary to assumptions made in the current U.S. administration's nuclear policy, research into new types of nuclear weapons could damage our nonproliferation objectives.

Remarks at the June 21-22, 2004 Carnegie Conference on Non-Proliferation in Washington, D.C.

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South Asia and the Nuclear Future

The Conference on South Asia and the Nuclear Future was co-sponsored by CISAC and the U.S. Army War College. It highlighted some of the top academic and policy-relevant scholarship on the prospects for peace and proliferation in India and Pakistan. The conference was also intended to encourage deeper interaction between policy makers, advisers and scholars working on regional and global security issues.

The five panels at the conference focused on understanding current and future developments in the nuclear programs, plans, and problems in India and Pakistan and how such developments might interact with broader global trends in nuclear nonproliferation regime. Papers were presented by leading international scholars and critiqued by scholars and policy makers. Selected papers will be revised for publication by a major university press, in a volume to be edited by Scott Sagan and Sumit Ganguly of Indiana University.

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Mitchell B. Reiss Director of Policy Planning Keynote Speaker U.S. Department of State
Rakesh Sood Deputy Chief of Mission Keynote Speaker India's Embassy to the United States
David Sanger reporter Panelist New York Times
Christopher F. Chyba Panelist

Scott D. Sagan

CISAC
Stanford University
Encina Hall, E202
Stanford, CA 94305-6165

(650) 725-2715 (650) 723-0089
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The Caroline S.G. Munro Professor of Political Science
The Bass University Fellow in Undergraduate Education  
Senior Fellow, Freeman Spogli Institute for International Studies
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Scott D. Sagan is Co-Director and Senior Fellow at the Center for International Security and Cooperation, the Caroline S.G. Munro Professor of Political Science, and the Bass University Fellow in Undergraduate Education at Stanford University. He also serves as Co-Chair of the American Academy of Arts and Sciences’ Committee on International Security Studies. Before joining the Stanford faculty, Sagan was a lecturer in the Department of Government at Harvard University and served as special assistant to the director of the Organization of the Joint Chiefs of Staff in the Pentagon.

Sagan is the author of Moving Targets: Nuclear Strategy and National Security (Princeton University Press, 1989); The Limits of Safety: Organizations, Accidents, and Nuclear Weapons (Princeton University Press, 1993); and, with co-author Kenneth N. Waltz, The Spread of Nuclear Weapons: An Enduring Debate (W.W. Norton, 2012). He is the co-editor of Insider Threats (Cornell University Press, 2017) with Matthew Bunn; and co-editor of The Fragile Balance of Terror (Cornell University Press, 2022) with Vipin Narang. Sagan was also the guest editor of a two-volume special issue of Daedalus: Ethics, Technology, and War (Fall 2016) and The Changing Rules of War (Winter 2017).

Recent publications include “Creeds and Contestation: How US Nuclear and Legal Doctrine Influence Each Other,” with Janina Dill, in a special issue of Security Studies (December 2025); “Kettles of Hawks: Public Opinion on the Nuclear Taboo and Noncombatant Immunity in the United States, United Kingdom, France, and Israel”, with Janina Dill and Benjamin A. Valentino in Security Studies (February 2022); “The Rule of Law and the Role of Strategy in U.S. Nuclear Doctrine” with Allen S. Weiner in International Security (Spring 2021); “Does the Noncombatant Immunity Norm Have Stopping Power?” with Benjamin A. Valentino in International Security (Fall 2020); and “Just War and Unjust Soldiers: American Public Opinion on the Moral Equality of Combatants” and “On Reciprocity, Revenge, and Replication: A Rejoinder to Walzer, McMahan, and Keohane” with Benjamin A. Valentino in Ethics & International Affairs (Winter 2019).

In 2022, Sagan was awarded Thérèse Delpech Memorial Award from the Carnegie Endowment for International Peace at their International Nuclear Policy Conference. In 2017, he received the International Studies Association’s Susan Strange Award which recognizes the scholar whose “singular intellect, assertiveness, and insight most challenge conventional wisdom and intellectual and organizational complacency" in the international studies community. Sagan was also the recipient of the National Academy of Sciences William and Katherine Estes Award in 2015, for his work addressing the risks of nuclear weapons and the causes of nuclear proliferation. The award, which is granted triennially, recognizes “research in any field of cognitive or behavioral science that advances understanding of issues relating to the risk of nuclear war.” In 2013, Sagan received the International Studies Association's International Security Studies Section Distinguished Scholar Award. He has also won four teaching awards: Stanford’s 1998-99 Dean’s Award for Distinguished Teaching; Stanford's 1996 Hoagland Prize for Undergraduate Teaching; the International Studies Association’s 2008 Innovative Teaching Award; and the Monterey Institute for International Studies’ Nonproliferation Education Award in 2009.     

Co-director of the Center for International Security and Cooperation
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Lynn Eden

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Lynn Eden is a Senior Research Scholar Emeritus. She was a Senior Research Scholar at Stanford University's Center for International Security and Cooperation until January 2016, as well as was Associate Director for Research. Eden received her Ph.D. in sociology from the University of Michigan, held several pre- and post-doctoral fellowships, and taught in the history department at Carnegie Mellon before coming to Stanford.

In the area of international security, Eden has focused on U.S. foreign and military policy, arms control, the social construction of science and technology, and organizational issues regarding nuclear policy and homeland security. She co-edited, with Steven E. Miller, Nuclear Arguments: Understanding the Strategic Nuclear Arms and Arms Control Debates (Ithaca, N.Y.: Cornell University Press, 1989). She was an editor of The Oxford Companion to American Military History (New York: Oxford University Press, 2000), which takes a social and cultural perspective on war and peace in U.S. history. That volume was chosen as a Main Selection of the History Book Club.

Eden's book Whole World on Fire: Organizations, Knowledge, and Nuclear Weapons Devastation (Ithaca: Cornell University Press, 2004; New Delhi: Manas Publications, 2004) explores how and why the U.S. government--from World War II to the present--has greatly underestimated the damage caused by nuclear weapons by failing to predict damage from firestorms. It shows how well-funded and highly professional organizations, by focusing on what they do well and systematically excluding what they don't, may build a poor representation of the world--a self-reinforcing fallacy that can have serious consequences, from the sinking of the Titanic to not predicting the vulnerability of the World Trade Center to burning jet fuel. Whole World on Fire won the American Sociological Association's 2004 Robert K. Merton Award for best book in science, knowledge, and technology.

Eden has also written on life in small-town America. Her first book, Crisis in Watertown (Ann Arbor: University of Michigan Press, 1972), was her college senior thesis; it was a finalist for a National Book Award in 1973. Her second book, Witness in Philadelphia, with Florence Mars (Baton Rouge: Louisiana State University Press, 1977), about the murders of civil rights workers Schwerner, Chaney, and Goodman in the summer of 1964, was a Book of the Month Club Alternate Selection.

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Strengthening Security and Stability in South Asia
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