You do play a NATO team in single-player.
Wow that's f**ked up. I kinda want to play as the most elite soldiers in the United States and bust terrorists, drug lords, etc. Not play as some NATO force with South Koreas (including a chick, not trying to be sexist but there would never be a chick in the US NAVY Seals) and deal with whatever stupid issue they came up with.
I can't believe Zipper is making such stupid moves (in my opinion). I expect this from Slant Six but not Zipper.