At the height of the Cuban Missile Crisis, the world came closer than it has ever come to all-out nuclear war. As the situation worsened, Britain's war cabinet made preparations to evacuate to 'Turnstile', the top secret nuclear bunker tunnelled deep under the Wiltshire hills. From here, they controlled the RAF's nuclear bombers, which were fully armed and standing by at 4 minute readiness. This is the story of just how close those bombers came to taking off.
