I have to add my encouragement. I'm pretty jaded (even when it comes to Disney), but I found the flag ceremony remarkably moving. I stumbled upon it by accident and couldn't pull myself away. It was very stirring.
I've since gone back to see it a couple of times, and it wasn't the same ceremony (no veterans, no band, just four of Disney's security guards), but that may just have been because I was there at a very low season.
Good luck.