Which is another important issue: when I was young ( says in croaky voice) I worked on hush hush ESA projects encrypting moon satellite camera data. Long before Maastricht , Europe used to cooperate on space projects . It doesnt need the EU involved. The attempt to exclude us is spite. At the time we used specialist math originating in India.
Indeed even recently the consortium CERN that created synchrotrons/ hadron collider has European countries .... like India. Being in EU is not necessary.
The idea that you need EU for projects like Galileo is absolute b@ll@x. The nuclear fusion consortia have European countries like .... South Korea!!
The astronomic projects I worked on involved European countries like .... hawaiii, Japan and Australia
When academics imply that EU is needed for collaborative science , they are lying. Such projects don’t necessarily even need Europe at all, let alone EU, and even when EU “funds” science , it is only some of our own money coming back! We should keep our money and let us decide where to spend it net of EU fees.
EU is a useless waste of money, lying to justify its own existence.Again.