I applied through a recruiter. The process took 2 weeks. I interviewed at Army National Guard (Atlanta, GA) in Jan 2012
Interview
Met with the recruiter and I got signed up right away. The process was quick and painless. I just needed to provide my basic information needed to get my ship to basic training. They made sure you were taken care of and I was. I finished my training in Arizona and it was a bit challenging, but worth it at the end.