LANGLEY AIR FORCE BASE, Va. -- Staff Sgt. Marquin King, 633d Security Forces Squadron active shooter instructor, debriefs personnel after practicing a bounding scenario, during active shooter training at the SFS building Jan. 26. Security Forces consolidated a year-long on-the-job training into a month-long battery of required tasks to minimize the impact on day-to-day operations. (U.S. Air Force photo/Staff Sgt. Ashley Hawkins)(RELEASED)