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How do You Launch a Nuclear Missile?

We explain the nuclear weapons systems of the US, Russia, Britain and China.

'Do we want his finger anywhere near the button?' Hillary Clinton asked during the US election campaign, referring to Mr Trump and the nuclear arsenal. But how close is an American president's finger to 'the button'? How close is anyone’s? We explain how the nuclear weapons systems of the US, Russia, Britain and China work – and how much power any one individual has over them.

(Photo: A Trident Ii, Or D-5 Missile, Is Launched From An Ohio-Class Submarine. Credit: Getty Images)

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23 minutes

Broadcasts

  • Tue 24 Jan 2017 02:06GMT
  • Tue 24 Jan 2017 03:06GMT
  • Tue 24 Jan 2017 04:06GMT
  • Tue 24 Jan 2017 05:06GMT
  • Tue 24 Jan 2017 07:06GMT
  • Tue 24 Jan 2017 09:06GMT
  • Tue 24 Jan 2017 15:06GMT
  • Tue 24 Jan 2017 20:06GMT
  • Tue 24 Jan 2017 21:06GMT
  • Sat 28 Jan 2017 22:06GMT

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