HELP! I mailed in my TRV application to Detroit on Apr. 20, 2011, and I still haven't got my passport back yet. My cruise is leaving in about a week, and I am getting really anxious. I've emailed them several times, and I haven't got any replies yet. I read somewhere that I can appoint an agent to go to the office and check out my application status. Does anybody have any idea how I can do that? Do I need to write any authorization letter or anything else?