Selection means basically nothing. The only thing that happens is the Decision Site says "Awarded". 45ish days prior to your class date, you'll get the actual letter from AA which is your CJO. Within the next week or two of getting your CJO, you'll get the info to schedule your drug test and fingerprinting. Around the same time you'll get an email from a third party vendor that does a background check on your education, address history and criminal history. A week or so after that you'll get an email with directions on how to complete additional new hire paperwork. Closer to your class date, you'll get an email directing you to filling out the first week's orientation paperwork which includes setting up travel to DFW, hotel, and your guest that you'll be bringing to orientation and the new hire dinner. And the info that you'll be dying to get the most, the equipment/base drop for your class, you get the Thursday before before your class date.