What does that practically mean though? Europe could stop Russia today, independent of the US. The first 18 months of ramping up production would be painful, but there is no question who would win.
Does Europe want to project force around the world? If so, why? It's much more cost-efficient to let the US taxpayer foot the majority of the bill for navigable seas.
The first thing a war usually uncovers is that a large part of the peacetime commanders, soldiery, equipment, and military industry is completely incompetent.
I can't think of a war following a long peace where this hasn't been the case.
And unfortunately, incompetence is difficult to quickly discover and replace.
Yes, but what is the threat to Europe that might cause war? Russia can't even project force to the Polish border. Certainly no military threats coming from North Africa.
Does Europe want to project force around the world? If so, why? It's much more cost-efficient to let the US taxpayer foot the majority of the bill for navigable seas.