Airman 1st Class Patience Walker, 82nd Security Forces Squadron, scans an identification card with a Defense Biometric Identification System (DBIDS) system at Sheppard Air Force Base May 22, 2012. Starting Jun 1, card holders will no longer be required to go to the Sheppard Air Force Base visitor’s center to register their cards in the DBIDS system. (U.S. Air Force photo/Frank H. Carter)