If you are in the military and need an ID card, the Aberdeen Proving Ground ID Card Section can assist you. You will need to provide two forms of UNEXPIRED identification, your birth certificate, and your social security card. If you are not accompanied by your sponsor, you will need a valid Power of Attorney. College students age 21-23 must bring a letter from their registrar’s office stating they are enrolled full time in an accredited college. 100% Service Connected Disable Veterans must provide documentation from the Department of Veteran Affairs showing they are honorably discharged and rated as 100% service connected. If you need to cancel or reschedule your appointment, please have your confirmation number. If you are more than 10 min late for your appointment, you will have to reschedule it for another day.