In August 2007, an Air Force unit mistakenly flew six nuclear warheads across the US on a B-52—a cardinal sin to an old Cold Warrior like Gates.

2007年8月，空军某部一架载有6个核弹头的B-52轰炸机错误地飞越美国——对于像盖茨一样的冷战老勇士来说，这是一桩蠢事。

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Hillary Clinton, the US secretary of state, told Congress recently that Pakistan had dispersed its nuclear warheads to different locations across the country in order to improve their security.

希拉里·克林顿，美国国务卿，最近告知国会说，巴基斯坦已经将核弹头分散于不同地区以增强其安全度。

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These numbers do not include tactical nuclear warheads, and it is estimated that the US has around 500 to 600.

这些数字不包括战术核弹头，据估计美国有500到600枚这样的弹头。

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Pakistan is important to the region, to the world, and to us, because Pakistan has a hundred nuclear warheads, and they're rushing to build a lot more.

WHITEHOUSE: The White House

The threat of an EMP attack was not taken seriously by US military planners during the Cold War because they were concerned with the primary Soviet threat to annihilate the US and its allies by launching several thousand nuclear warheads against them.

CENTERFORSECURITYPOLICY: An urgent memo to the next government

The US has now disclosed that it is holding 5113 nuclear warheads, a secret figure until now.

BBC: Nuclear review talks face competing aims