I brought 2 cats 2 dogs last year. Just make sure all the paper work is in order and that your crates meet all the regulations. Make sure you work with a vet that has done this before it's a lot of hassle. Also they did request my import permit, and I had to email them a few times to get it sent initially, so do that with plenty of time in advance and don't be afraid to follow up! Something helpful to me was organising all my pets documents in a binder I carried on. Made checking in very easy. I was arriving in the middle of the night outside of operation hours, but emailed the department to let them know in advance and they were open! Honestly the hardest part is everything leading up to leaving once you land its a breeze. (I flew Korean Air from California) If you wanna chat more about it feel free to reach out. 😁