Final answer:
An Army Service Member (SM) can drive off installation with a valid driver's license and a personal vehicle, but there may be certain restrictions and requirements.
Step-by-step explanation:
An Army Service Member (SM) can drive off installation with a valid driver's license and a personal vehicle. However, it is important to note that there may be certain restrictions or requirements imposed by the military regarding driving off installation. For example, the SM may need to register their personal vehicle with the military, provide proof of insurance, and adhere to any local traffic rules and regulations.