Well, it depends who you are at war with. If Russia was rolling tanks through (more of) eastern Europe WW2 style then just out of self preservation other EU cou

Well, it depends who you are at war with. If Russia was rolling tanks through (more of) eastern Europe WW2 style then just out of self preservation other EU countries would want to commit forces to defend against that. Helping France keep control in Africa somewhere I can see there being less enthusiasm. Also, I'm not so sure European identity is receding anymore, although that narrative is of benefit to other large powers.