From the Plan A perspective, depositing the #1k for the next three months IS the thing to do.

If she is SO SURE in her actions, then in three months, there will still be $3k sitting there, right?

She will spend it. On attorneys, or C/C debt, or whatever.

Does it establish a pattern of support? Sure, if your ever obligated to pay support, which, if she stays in the military, you probably will not be required to do. Why? because you are both young, well educated, employed and married for a short time. If she gets thrown out, then you may be obligated to support her, is some manner, but I believe that $3k would not influence the decision as much as the number of months you have been putting the money in her account prior to this month. THAT earlier period of time may determine that you may have to send her money after the D.