The United States' last B53 nuclear bomb was dismantled Tuesday at the Pantex Plant just outside Amarillo, Texas. It is a milestone in President Obama's efforts to reduce the number of nuclear weapons. (Associated Press)
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The United States' last B53 nuclear bomb was dismantled Tuesday at the Pantex Plant just outside Amarillo, Texas. It is a milestone in President Obama's efforts to reduce the number of nuclear weapons. (Associated Press)
