I'm glad to say this all happened a long, long time before I was born (does that make you all feel old?

).
Me, too!
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I think JFK is the only one that really knew the answer to that question. Would he have really given the order for the US Navy to open fire on the Soviet cargo ships (knowing where that would lead)? I'm not sure anyone knows other than him.
Certainly there must have been a perception amongst the leadership of both the USA and USSR that war was very close, because both superpowers took a deep breath and step back in the aftermath of the crisis. It's the aftermath of this crisis that marked the beginning of the road to the period Détente in the 1970s, with things like the Partial Test Ban Treaty, the Nuclear Non-Proliferation Treaty, the Outer Space Treaty and most importantly the famous 'Hot Line' between Moscow and Washington.
But like I said the one person that knew for sure if it would lead to war will have been JFK so I guess unless he wrote a secret unpublished note about it we'll never know for sure if he'd have gone to war over Cuba.
Of course Cuba isn't the only time that NATO and the USSR came close to war, it's just the most famous.
One of the others I can think of sounds remarkably similar to the film
War Games. Apparently, a Soviet radar system accidentally ran a training programme, so up on the screens appeared several traces that looked just like incoming warheads targeted on Strategic Rocket Forces bases. Immediately, everyone sprang into action. Luckily, SRF Command realised that it was one report coming from one station, unconfirmed by all the others, and simply told them to reset their systems. The 'warheads' disappeared from the screens, and a few words over the Hotline sorted it all out. (Anyone remember 'Where the hell is
Belgium!?)
OK, another situation springs to mind. What if the Cuban bases had been complete when they were discovered? With a
fait accompli presented to them, the US would be completely stuck. They could either negotiate for the missiles to be removed by offering to remove their own from Turkey, or just learn to live with them. It would make the world a much tenser place for a while.