Since 1992, in the place of testing, the United States has relied for "stockpile stewardship" on a host of computer-modeling, other simulation techniques and non-nuclear explosive tests that have provided insights into the performance of an aging arsenal.

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Unfortunately for most health insurance companies other than Aetna, their behavior is reminiscent of DEC, Data General, Wang and a host of once-successful computer makers that are in the dustbin of history.

FORBES: Aetna's Remarkable Reinvention Underway

Once the virus has established itself on a host computer, it quickly destroys all music and image files and disables the e-mail system, causing irreparable damage at some companies.

CNN: 'Melissa' May Have Built a False Sense of Security