President Bush has called nuclear terror the defining threat the United States now faces. He's right, but he has yet to follow up his words with actions. This is especially frustrating since nuclear terror is preventable. Washington needs a strategy based on the "Three No's": no loose nukes, no nascent nukes, and no new nuclear states.
Graham Allison is Douglas Dillon Professor of Government and Director of the Belfer Center for Science and International Affairs at Harvard University's Kennedy School of Government. From 1993 to 1994 he was Assistant Secretary of Defense for Policy and Plans.
THE THREE NO'S
President George W. Bush has singled out terrorist nuclear attacks on the United States as the defining threat the nation will face in the foreseeable future. In addressing this specter, he has asserted that Americans' "highest priority is to keep terrorists from acquiring weapons of mass destruction." So far, however, his words have not been matched by deeds. The Bush administration has yet to develop a coherent strategy for combating the threat of nuclear terror. Although it has made progress on some fronts, Washington has failed to take scores of specific actions that would measurably reduce the risk to the country. Unless it changes course -- and fast -- a nuclear terrorist attack on the United States will be more likely than not in the decade ahead.
The administration's inaction is hard to understand. Its behavior demonstrates a failure to grasp a fundamental insight: nuclear terrorism is, in fact, preventable. It is a basic matter of physics: without fissile material, you can't have a nuclear bomb. No nuclear bomb, no nuclear terrorism. Moreover, fissile material can be kept out of the wrong hands. The technology for doing so already exists: Russia does not lose items from the Kremlin Armory, nor does the United States from Fort Knox. Nascent nukes should be kept just as secure. If they are, terrorists could still attempt to create new supplies, but doing so would require large facilities, which would be visible and vulnerable to attack.
Denying terrorists access to nuclear weapons and weapons-grade material is thus a challenge to nations' willpower and determination, not to their technical capabilities. Keeping these items safe will be a mammoth undertaking. But the strategy for doing so is clear. The solution would be to apply a new doctrine of "Three No's": no loose nukes, no new nascent nukes, and no new nuclear states.
GETTING A GRIP
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Graham Allison was among the first scholars to sound the alarm about the risks of Russian loose nukes, and in "How to Stop Nuclear Terrorism" (January/February 2004), he continues to warn of this underappreciated danger. He is right to highlight the inadequacy of current U.S. and international efforts to deny terrorists access to fissile material. And he makes a compelling case for the need to develop a more coherent and multilateral strategy for stopping them.
The risk of a catastrophic exchange of nuclear missiles has receded. Yet the chances of some use of weapons of mass destruction have risen. Chemical weapons are a lesser threat, but more likely. A vial of anthrax dispersed over Washington could kill as many as three million. Traditional deterrence will not stop a disgruntled group with no identifiable address from striking out at America. The United States must pull back from excessive foreign involvements and begin a program of civil defense to reduce casualties in the event the unthinkable happens.
Nuclear terrorism poses a grave threat to global security, but seeking silver bullets to counter it does not make sense. Instead of pursuing a perfect defense, U.S. policymakers should create an integrated defensive system that takes advantage of the terrorists' weaknesses and disrupts their plots at every stage, thereby chipping away at their overall chances of success.
