LANGLEY AIR FORCE BASE, Va. – Airman 1st Class Jennifer Womack, 633d Security Forces Squadron entry controller, and Staff Sgt. Frank Ritz, 633 SFS response force patrolman, estimate the speed of passing vehicles Jan. 25. Security Forces members use radar systems to monitor vehicle speed, visually estimating within five miles of the vehicle’s actual speed. (U.S. Air Force photo/Airman 1st Class Racheal Watson)(RELEASED)