Airman 1st Class Steven Hernandez, 28th Operations Support Squadron Airfield Management operations coordinator, performs a spot check for proper documentation to ensure Airman 1st Class Jeffery Reinke, 28th Security Forces Squadron patrolman, has the correct credentials required to drive on the flightline at Ellsworth Air Force Base, S.D., July 19, 2013. Spot checks like this allow airfield management Airmen to verify personnel are qualified to drive on the flightline. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)