Asked about 1 year ago in Game History
Games: Call of Duty 3 (X360)
I don't think you can. I pretty sure that the whole ranking up thing started in cod4.
Yes, you don't rank up because you start over at every game. You start out as a private then a corporal and then a sergeant. I haven't played it in forever but i think you get small rewards for getting to corporal and sergeant.
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