When the U.S says that more should be spent on NATO that usually means to buy more U.S equipment at inflated prices rather than to make Europe's defense more effective and efficient.

>> The European group have no history of coordinated executive action.

Yeah, perhaps they should start working on a coordinated executive action(i.e an EU army) or...just accept US protection for a "fee". It's been a good trade so far anyway. The only issue is that recently US started to double guess its past agreements.