Originally Posted by
pr0digy25
I think the mice were in the RCC waiting for their flight to PEK.

Which was delayed...and you know how tough it is to keep dozens of mice happy and quiet.
In all seriousness, to the OP: everything but the mice is
de rigeur, and you should be happy with getting $50 for the weather delay.
I do urge you to contact whatever public health entity has oversight or jurisdiction at IAD about the rodents. That's pretty nasty.