Europe is quite varied, you'd probably need to look at individual countries and do a more fine grained comparison between those, because they have their own dif

Europe is quite varied, you'd probably need to look at individual countries and do a more fine grained comparison between those, because they have their own differing policies on both military spending (some just buy gear from outside and may not innovate much) and support for innovation/industry or even educational systems (and where they stand on "sit and listen <-> here's a lot of tools and support and freedom/time to experiment" rigidity scale).