Stay in College or go to the United States Air Force?

Dude, im 15 and i REALLY want to be an airline pilot. What im thinking now is finishing high school, then at jumior year do that ROTC program the airforce is doing, go to a 4 year college, ill major in law enforcment, aaaand after that i have no idea what to do. OH GOD why dont i have a dad who was a pilot, or a mentor who is currently a pilot so i can ask them :'( i want this job so bad.