Following a series of nuclear-weapon handling mistakes and personnel problems, senior U.S. officials have acknowledged that the United States has lost focus on the nuclear mission. The U.S. Department of Defense is now engaged in a comprehensive effort to restore standards. What were the underlying problems? How is the Department of Defense planning to solve them? And, are there lessons from the U.S. experience that are relevant to other states seeking to ensure the security of their nuclear enterprises, whether civilian or military?
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