ELLSWORTH AIR FORCE BASE, S.D. -- (Left) Staff Sgts. Joseph Vawter and Alston Alexander, 28th Security Forces Squadron team members, maneuver through a hallway and clear rooms during tactical training, Jan. 25. The Pennington County Sheriff’s Department special response team gave 28 SFS team members specific training on various armed threat scenarios. (U.S. Air Force photo/Airman 1st Class Matthew Flynn)