The patch worn by a member of the Richland County Sheriff's Department Special Response Team during an Active Shooter exercise held at McEntire Joint National Guard Base, S.C., August 20, 2015.
The Sheriff's Department partnered with the 169th Security Forces Squadron to hold the exercise and practice tactics and techniques in the event of a situation on base. (S.C. Air National Guard photo by 1st Lt. Stephen Hudson/Released). Original public domain image from Flickr