You can choose a plate showing your branch of service, your service component, or one of these campaign medals: Afghanistan Campaign, Iraq Campaign, Global War on Terrorism Expeditionary, Southwest Asia Service or Vietnam Service.
Register on the NDVA Military and Veterans' Registry, then submit the DMV Application for Military Honor/Reserve License Plates with proof of your service or campaign eligibility.
Your DD214 or military ID showing your service, plus documentation of the campaign medal if you are choosing a medal design.