31.  Bush contends that an adequate missile defense shield would protect America and its allies from nuclear attacks by such rogue states as North Korea, Iraq and Iran.

32.  Building a technological umbrella to shield the nation from nuclear attack was the goal of the Strategic Defense Initiative, or SDI system, begun by the Reagan administration.

33.  But even so, any terrorist group attempting a nuclear attack would face major barriers.

34.  Cheney said he studied the issue toward the end of the Cold War, when a nuclear attack by the Soviet Union was considered a possibility worth study.

35.  China pledges only to use its arsenal of nuclear weapons in retaliation for a nuclear attack that has already taken place.

36.  China says it maintains the arsenal for self-defense and to deter any nuclear attack.

37.  Controlling these weapons and defending against nuclear attack probably cost another trillion.

38.  Danielle Brian, executive director of the Project On Government Oversight, said the threat of a nuclear attack should not be discounted.

39.  Datametrics Corp. printers can withstand nuclear attacks, but can they survive the commercial marketplace?

40.  Designed to be just below a tank on the first floor, the pipe was to provide residents with water during the blackout following a nuclear attack.

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