WRIGHT-PATTERSON AIR FORCE BASE, Ohio - Tech. Sgt. Ryan Lause draws his weapon as he asks the "gunman" to surrender during an active shooter scenario July 11. Four 445th Security Forces Squadron reservists participated in a multi-agency Solo Engagement Training at the former Marine Corps Reserve training and administrative center located in Dayton, Ohio. The training was hosted by the Wright State University Police Department. (U.S. Air Force photo/Stacy Vaughn)