“Depending on where you live, the rules vary for active-duty military. Your state may allow you to keep your registration where your permanent address is since you are in the military. Be sure to check with your state’s DMV regarding these rules.
Any insurance company will require that you list the address where the vehicle is garaged. This can be different from your mailing or permanent address.
There are a variety of car insurance carriers that are great for military members and veterans. USAA is one carrier that caters specifically to military members and their family. They may be helpful in answering any questions you may have. “