Go to college and do your flying. Get your ratings done and flight instruct during college. You will graduate at 22 and be at a regional airline! You will also get significantly more flight time by staying civil. So, if you love to fly, in some ways it's better to stay out of the forces. Some guys fly 2000 or so hours in a 8-10 year military career. However, both routes would be good ones to take. You will end up in the same spot in the end. Best of luck and fly safe!