Five Times the US Almost Nuked Itself by Accident

'We spent the Cold War in perpetual fear that the U.S. and U.S.S.R. would start an intentional nuclear conflict. The truth is, we came far closer to blowing ourselves up with nuclear weapons than we ever came to WWIII.

Nuclear incidents have a bunch of ominous military code names, like Broken Arrow, Faded Giant or NUCFLASH. There are actually dozens of instances like these, but here are five major ones that happened in the U.S.'

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