My history was ROTC to Active Duty to Air Guard. I was lucky enough to get across all the screenings and the jet I wanted, but it was a long road.

I agree with Hacker15e that you need to be cool with the military first. With that said, I have some advice on increasing your pilot slot chances in order; with the assumption the only job you want is pilot.

1. Apply to every Air Guard unit that flies your aircraft of choice. If you don't have a preference, apply to the places you want to live. You are guaranteed the aircraft of that unit, takes all the guess work out. Disadvantage- very competitive and part-time.
2. Finish your degree and apply to OTS (Officer Training School) as pilot only. Stay strong and tell recruiter you won't join unless you are a pilot. Disadvantage-you pay for school and OTS may close that door if they haven't already.
3. Join ROTC, play the game, get good grades and compete.

Not an easy road any direction, good luck!