63rd Readiness Division, Santa Clara County Sheriff’s Office conduct active-shooter response training exercise
Police Officer Alan Corpuz from the Mountain View Police Department maintains a safe perimeter for Response Task Force emergency medical services and fire department personnel during active-shooter response training, at the Sgt. James Witowski Armed Forces Reserve Center, in Mountain View, California, Aug. 26, 2021.

Photo by: Sgt. 1st Class Matthew Chlosta |  VIRIN: 210826-A-NP785-920.JPG