You need a court order for support. It sounds like you would be eligible for both spousal AND child support. Consult with an attorney in your area right away to discuss how to file petitions for support.
Go see a Legal Assistance Officer on base. As for his chain of command, they all have superiors. So if one commander doesn't assist, go to that commander's commander. Eventually someone will listen.
This post is for information purposes only and does not constitute legal advice, nor does it establish an attorney client relationship with Mr. Cassara.
You are caught between the administrative side of the Coast Guard and Virginia Law. If you do not have someone in the Coast Guard willing to help, you must file and obtain court ordered support. Once the order entered, the Coast Guard will quickly comply with any garnishment issued by the state court.
NOT LEGAL ADVICE. FOR EDUCATION AND INFORMATION ONLY. Mr. Zeigler is licensed to practice in the Commonwealth of Virginia, United States Court of Appeals 4th Circuit, United States Bankruptcy Court (E.D. VA) and United States District Court (E.D. VA). Any comments posted are based on an analysis of only Virginia law or relevant federal law and the limited facts given. There is no implied or actual attorney-client relationship arising from this posting. You should speak with an attorney licensed in your state, to whom you have provided all the facts before you take steps that may impact your legal rights.
I recommend that you contact his commanding officer and advise him of the situation. This is frequently all that it takes to resolve the issue. However, if this fails, you can request relief from the court in the county where you reside.