(SCANG photo by Staff Sgt. Jorge Intriago)
Master Sgt. Ralph Guyton provides overwatch security on a simulated assailant during an Active Shooter exercise held at McEntire Joint National Guard Base, S.C., as Tech. Sgt. David Benningfield, a member of the Exercise Evaluation Team, observes, December 3, 2011. The overall goal of the exercise was to assess and improve emergency public safety and security, public information, communication and warning systems, incident command and incident management, and mass-casualty response.