Call of Duty III

I’ve been playing Call of Duty III since it came out.  I was a fan of Black Ops 2 and I’m not disappointed with this installment.  It is different though, but I like it.

Perhaps I have to increase my level but it doesn’t seem to have the customization of the character that it has in the past.  I’ve started out with one lady, and while I can change her face and such, she ultimately looks the same.

Here she is below:

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Who do you play on Call of Duty?  What is your favorite perk, or perks.