Some of the FO's from MKE are being displaced to SDF so who knows if you can get it right away. They are pretty short on FO's though they only have a few on reserve each month. I would at least go to the interview if you are offered one you might be able to get an idea of what certificate you will be on. I think for a while they were so desperate for people they were letting them choose what certificate they wanted. If nothing else you can get some interview experience.
Keep in mind the training contract too. If you get a base you want and it closes and you get displaced you will probably still be on the hook for it.