Brilliant update. Like the cultural stuff.
Looks like Macmillan's going to get us involved in Vietnam. About the EEC stuff: I'm not sure it would survive this incident, considering how deeply France was involved at the start. Some sort of European economic treaty, yes, but it might be something new formulated from the ashes. Also I don't think the British poll numbers are very accurate: people in the 1950s were very pro-EEC in general, and most opposition was motivated by xenophobia about France and anger when de Gaulle blocked us before: in TTL there will be a "yah boo sucks!" attitude among the British people.
What's the Nixon administration's position on the space programme?