President Obama in May declassified some deep nuclear secrets. As a result, we now know that, on the last day of Fiscal 2009, the US nuclear stockpile had 5,113 warheads-deployed and nondeployed, strategic and nonstrategic. We also know the stockpile has seen a huge, decades-long decline. The warhead count peaked in 1967 at 31,255, meaning that the arsenal has undergone an 84 percent reduction, most of it in the past 25 years.
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