I know that there is a thread floating around here about the emotions on the very first day, but I thought this video was great in really showing what's going through the basics' minds. It's a great first-hand account and it really shows that you are not the only one feeling that way.
http://www.youtube.com/watch?v=iqlI69sFUbA&feature=related
http://www.youtube.com/watch?v=iqlI69sFUbA&feature=related