Specializations not working?

I pre ordered halo 4. Got it at midnight release, played the game and downloaded my war games code. I “had” all the specialisations until today and i dont know why? i was playing in matchmaking and decided to check how much more xp i needed till i could level up and they were all gone. I can still see wetwork, Operator, pathfinder ( cos i finished it ) and pioneer which im about to finish. Why is this? and what can i do to fix it? I also downloaded the alpha pack thing that you get in the email… any help would be appreciated :slight_smile: