Hello everyone. Yesterday my wife had her interview for US immigration. Everything went exactly as described on this site, including them questioning domicile. I had a letter from my work stating they would allow me to transfer back to the states. I believe if I did not have this letter he would not have approved my application so be careful if you are living abroad with your spouse.
Everyone was polite and professional. I also went around 9AM even though my interview was at 10:30AM. They actually told me to come back in 30 mins which didn't make any sense because the girl in front of me had an interview for 10:30AM as well. Anyways, I went away for 30 minutes then came back and went through security and got a ticket upstairs. I was in there from 10AM-12:30PM, so it wasn't too bad for someone who didn't go so early.