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Air Force Master Sergeant Daniel Chrisco, an active
Summary
Air Force Master Sergeant Daniel Chrisco, an active shooter exercise player searches the halls of the 773rd Civil Engineer Squadron for unlocked office doors during an exercise March 13. The Security Forces Squadron on Joint Base Elmendorf-Richardson conducts regular no-notice tests of offices’ active shooter mentalities around base. (U.S. Air Force photo by Senior Airman Kyle Johnson)
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Date
13/03/2017
Location
Source
Defense Visual Information Distribution Service
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