It is fissionable material and small tactical warheads that are in danger of being stolen or sold, not the well-guarded strategic systems.

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That happens when fissionable nuclear materials, such as uranium or plutonium, are brought together in sufficient quantities and under the right conditions so that a chain reaction begins.

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Second, although Russian strategic warheads are well-guarded, large numbers of small tactical nuclear warheads and huge amounts of fissionable material usable for bombs are not, and these create a serious stockpile security problem.

CENTERFORSECURITYPOLICY: Center For Security Policy

Indeed, it is now obvious to everyone what Israel contended all along: Had Osirak been allowed to come on line as planned, the Butcher of Baghdad would long ago have secured fissionable material for use in atomic or thermonuclear devices.

CENTERFORSECURITYPOLICY: Center For Security Policy