In most states, picture IDs issued by the government are considered valid forms of ID. This includes driver's licenses, photo driver permits and state issued non-driver identification cards.
Your active duty military income is not subject to Idaho income tax. However, all other types of Idaho source income (for example, a part-time job) are subject to Idaho income tax. Idaho nonresidents are required to file an Idaho income tax return if gross income from Idaho sources is more than $2,500.
Members of the armed forces on active duty are taxed on their military pay only by their legal states of residence (home of record). If your legal state of residence was Virginia when you entered the armed forces, and you have not legally changed your residency to another state, you are still a Virginia resident, although you may be stationed elsewhere.