There are not enough facts to advise. Please consult both JAG and a civilian attorney. The divorce is a civilian matter but the military may have expectations for you on how you manage benefits according to your command. Some military members have been charged with domestic violence in the military because they divorced their spouse and cut off their support, while others are allowed to divorce and cut the strings stranding the spouse. You may file for divorce, the fact that she is pregnant will affect the progress of the divorce and any related settlements. The biggest factors being paternity, is this your child? Do you have other children? Is HI your home/primary state of residence which will affect future moves and parenting plans. If the child is not yours then you would want to request a DNA test before finalizing any parenting plan or divorce settlement.