Defenders on duty
Senior Airman Brandon Knight, 460th Security Forces Squadron, checks an identification card and verifies information on the Defense Biometric Identification System June 5, 2013, on Buckley Air Force Base, Colo. DBIDS is a force protection and identity management program that manages people, property and installation access. (U.S. Air Force photo by Airman 1st Class Darryl Bolden Jr./Released)

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Photo by: Airman st Class Darryl Bolden Jr.Released |  VIRIN: 130605-F-LV838-061.JPG