It's ginna take you quite some time to reach level 70, or 130 depending on whether or not your getting the LE. And its spartan ops, not spec ops, and you'll only have 5 missions when the game comes out, but leveling ups gonna take some time, but its basically a second campaign. I'm gonna play campaign first, like every other halo game, then a multiplayer match, then the spartan ops missions that come with the game, then multiplayer, and then start playing campaign on legendary