User blog comment:Deathmanstratos/It's confirmed, you have to rank up to unlock weapons./@comment-97.127.40.71-20100908183800/@comment-1664836-20100909085605

Maybe it'd be nice to be able to rank up seperately in both modes, but be able to use your ranked MP unlocks in Combat Training, right? Like in MW2, use online unlocks in splitscreen. No ranking up, but at least you could use your shiz.