Most of the time belching is a minor problem. Call a health care provider if the belching does not go away, or if you also have other symptoms.
ATP, a nationally accredited flight school with various locations nationwide, charges $39,995 for 90-day fast track program. The 150-day program, which allows more flexible for students who need to work while in school, costs $48,490.
The Air Force calls them Security Forces. Tech school is  3 months long at Lackland AFB, Texas. The same place you will be for BMT. I'm putting a couple websites on my source list that you should definately check out if you're interested.