From what I understand you are responsible for getting yourself from the airport to USAFA for in processing if you arrive the day before you will need to procure arrangements for a hotel room and meals.
No boot is actually waterproof, just water resistant. There's a giant hole in the top to let water in.
But on a more serious note you can waterproof your own boots by getting some waterproofing treatment that they sell on Amazon or most outdoor stores.
Also I can guarantee you that the SFB...