Great to hear you have an interview! I was one of many applicants who met in the True Auditorium. We had a brief interview with the nurse recruiters who are VERY nice. It was relaxed, no pressure other than the usual job interview anxiety! I suppose they were screening out people who were obviously not a good fit, but I am not sure. Then they will set you up with a face-to-face interview with the unit manager. My manager presented some patient cases and I had to tell her how I would use my nursing skills to solve the problems. All I can suggest is be positive, resourceful, and patient focused. I asked for a unit tour and was thrilled to get it. Total time there was about 2 or 3 hours.
Depends on the time of day of your interview coming from Mont. Co. because Beltway traffic can be a nightmare. I allowed for extra time because I got lost, 29 has many stoplights, and the parking garage was quite full so I had to drive a bit to find a space. My parking was $8. Oh, and wear comfortable shoes, sounds silly but the walk from the garage to the auditorium is quite a hike.
I believe you need to be licensed before the training begins, but I can't say for sure and it's best to talk to the recruiter. I passed NCLEX, and as soon as I get my license I am taking it to the DC Board in person for a DC license. May I suggest you schedule the moment you get your ATT? I scheduled as soon as I received the email and most of the test dates were full so I still had to wait 1 week.
Of course, all of this is just my experience and yours may be different. Sending positive thoughts your way! :)