It's adorable when European leaders gather around a table and say things like this. 5% is wartime spending level, not even America spends that much. They are at peace, no one has the capability or will to attack them outside of the United States.
They love reacting to vague vibe shifts with equally vague promises.
The most these losers are going do is to smash some middle eastern/African country, create refugees that'll run trains on their country and wonder why there's neo nazis popping up left and right.