He says he's an aspiring airline pilot, not an aspiring military pilot. I said it before and I'll say it again. Unless you are 100% sure you want that kind of life, do not use the military as a stepping stone to get to the airlines. Yes, the training is "free", but they've got you for 12 years and if you end up not enjoying that type of life, you're going to be miserable. Trust me. I write this after an 8 hour day of admin work and answering phones. I'd rather be pranging it on in a 172 teaching a brand new student how to fly or on a 4 day trip with a regional for $20k a year.
Air National Guard or Reserves. You can enjoy both sides of the fence.