NATO's decision in 1979 to base ground cruise missiles at Greenham Common was a response to the proliferation of nuclear forces, which occurred throughout that decade. It was in the wake of this announcement that the Greenham Common Women's Peace Camp opened at this site.
Proliferation has been massive since- and we find ourselves currently at massive risk, as proliferation has occurred in countries which are now our 'enemies'. It was always clear that proliferation would happen- and that nuclear missiles would be developped by nations which we have alienated in the past, and see us as the enemy.
We are constantly on the edge of escalation due to Ukraine and Putin, Israel and Gaza and neighbouring countries. You only need one mad man - and we now have quite a few, all with nuclear arms. One more key one, totally unhinged, re-elected a few days ago. Greenham Common and Molesworth were nuclear Nato USA bases.