Several candidates for 9/1/04:

www.pbase.com/image/33335055
www.pbase.com/image/33335056
www.pbase.com/image/33335057
www.pbase.com/image/33335058
www.pbase.com/image/33335059
www.pbase.com/image/33335060
www.pbase.com/image/33335061
www.pbase.com/image/33335062
www.pbase.com/image/33335063

Taken either at Air & Space Museum at Dulles International Airport, or the National Mall.