Airman 1st Class Kathleen Lyons, 316th Security Forces Squadron Main Gate entry controller, simulates identification card check of fellow squadron member, Senior Airman Marcus Macon, 316 SFS response team leader through the window Wednesday. In the event of an H1N1 outbreak, security forces at Andrews entry gates would check IDs through closed vehicle windows to prevent the spread of the virus. (U.S. Air Force photo/ Bobby Jones)