What does "ACH DEP-DFAS-IN INDIAN ARMY ACT" mean?

A sum of money "popped" into my account but I am not sure what is it for. I am a college student but I was honorably discharged from the US Army a few months ago. Could it be my GI Bill? If it is, then the Army is cheating me because I was suppose to get more than the deposited amount. Could it be some... show more A sum of money "popped" into my account but I am not sure what is it for. I am a college student but I was honorably discharged from the US Army a few months ago. Could it be my GI Bill? If it is, then the Army is cheating me because I was suppose to get more than the deposited amount. Could it be some form of other payment? Does anybody know? Thanks
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