You need to be aware of the Soldiers' and Sailors' Civil Relief Act and I suggest that you need to speak to local counsel.
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The previous answer is ridiculous: the Soldiers' and Sailors' Civil Relief Act has absolutely nothing to do with this case. But you *do* need to get a local attorney, full time mom or not, so that you can get the child support any any other benefits to which you are entitled.
I don't quite understand how your husband is "protected" by the Marines. Unless he's deployed, you can go ahead and begin your divorce by filing papers with the court and having your husband served.
Unless your husband is deployed, the Soldiers’ and Sailors’ Civil Relief Act would be unlikely to delay any new divorce proceedings. Your husband would have to request the delay and prove (somehow) that his military duties would prevent him from obtaining proper representation in court. Coverage under the Soldiers’ and Sailors’ Civil Relief Act is generally granted only to service members who are on extended deployments or stationed overseas.
From your question, it appears you will need a lawyer to help you. I don't know if there's a court facilitator in Clackamas County or if there's a non-profit legal assistance office in Oregon City, but if there are, call them. If there are other attorneys and programs that provide free or low-cost legal services in your area, you should call them, too. If there's no longer a legal aid program in Oregon City, you might call a few lawyers' offices and ask if they participate in the Modest Means Program, sponsored by the Oregon State Bar. Lawyers who participate may be willing to help you for a fraction of what attorneys would charge.