Yes, in Lebanon, the Dominican Republic, the Korean DMZ, Grenada, Libya (twice), the Persian Gulf, Iraq (three times), Kuwait, Saudi Arabia, Israel, Haiti, Serb

Yes, in Lebanon, the Dominican Republic, the Korean DMZ, Grenada, Libya (twice), the Persian Gulf, Iraq (three times), Kuwait, Saudi Arabia, Israel, Haiti, Serbia, Pakistan, and Uganda. But the bigger question might be, how many wars has NATO prevented since WWII? I believe the answer is: a lot.