I applied through a recruiter. The process took 3 months. I interviewed at US Air Force (Chicago, IL) in May 2011
Interview
ASVAB, DLAB, then waiting for about 3 months to DEP into basic training. If you score at least a 90 on the ASVAB you will be offered the DLAB. Scoring well on this will allow you to try to lock-in a 1A position.
Interview questions [1]
Question 1
Generally they will ask you about your moral character and if you have ever used drugs.