Ok, so with what is going on in Ukraine at the moment, this documentary and many like it are even more worth a watch, as you just do not know, if such a situation could escalate into full our Nuclear war.
This documentary flies at a fast pace, and illustrates, all too well, the dangers of full blown nuclear war. It discusses the sides, that countries would be on, and the weapons that they have and there capabilities.
We are also educated, on the history of nuclear weapons and how they work, with reference to the chemistry and the physics of how such a device works.
This documentary is well worth a watch.