LANGLEY AIR FORCE BASE, Va. –Staff Sgt. Trayshawn Humphries, 633d Security Forces Squadron active shooter instructor, taps Staff Sgt. Brandon Kelly, response force patrolman, to advance into position during the bounding portion of security forces training 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)