How much extra money is earned while deployed to Afghanistan? (Army)?

I know its impossible to give an exact amount, I am just looking for an about number. How much extra does a Specialist (E-4) with dependents make while deployed? Is it hazard pay + a tax free base pay? I live in on-post housing, so we do not receive BAH. I've searched high and low and asked around, but... show more I know its impossible to give an exact amount, I am just looking for an about number.

How much extra does a Specialist (E-4) with dependents make while deployed?

Is it hazard pay + a tax free base pay? I live in on-post housing, so we do not receive BAH.

I've searched high and low and asked around, but no one can really tell me. Thanks.
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