Command post: key to mass notifications
Staff Sgt. Courtney Jackson, 9th Reconnaissance Wing Beale command post senior emergency action controller answers a phone call Nov. 15, 2017 at Beale Air Force Base, California. Controllers ensure information is correctly disseminated up and down the chain of command. (U.S. Air Force photo/Airman 1st Class Tristan D. Viglianco)

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Photo by: Airman 1st Class Tristan D. Viglianco |  VIRIN: 171115-F-ZH169-0016.JPG