91.   It is expected to meet considerable resistance from senators who argue the United States must regularly test parts of its nuclear arsenal to be assured of readiness.

92.   It has neither oil nor a nuclear arsenal, but it does have a growing, if ill-defined, sense of nationalism.

93.   It is standard policy for the military to never comment on the whereabouts or numbers of its nuclear arsenal.

94.   It is the combination of these laser experiments with supercomputer simulations that may allow the world to maintain reliable nuclear arsenals without the need for any actual weapons testing.

95.   Israel also has a small but potent nuclear arsenal, which nobody expects it to relinquish.

96.   Israel is believed to have a varied, sophisticated nuclear arsenal, but it has consistently refused to discuss its nuclear-weapons programs publicly.

97.   It is not a nuclear weapon, however, and is different from the electromagnetic pulse warhead in the U.S. nuclear arsenal.

98.   Leaders in Europe and Asia see the U.S. effort to build a missile-defense system as a catalyst for Russia and China to expand their nuclear arsenals.

99.   Lab officials say the laser is essential to ensure the safety and reliability of the U.S. nuclear arsenal after bombs can no longer be legally test-detonated.

100.   Many believed Pakistan was emboldened to act so recklessly because the army assumed its nuclear arsenal would deter an Indian counterattack.