Escape, Barricade, or do we fight?
Members of the 379th Expeditionary Security Forces Squadron apprehend a member while clearing out a room searching for any possible threats during an active shooter scenario at a medical warehouse facility June 19, 2015, at Al Udeid Air Base, Qatar. Several agencies on base were tested on their reactions to the scenario to make sure proper protocols were followed in case an on-base incident truly ever occurred. (U.S. Air Force photo by Tech. Sgt. Rasheen Douglas)

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Photo by: Tech. Sgt. Rasheen A. Douglas |  VIRIN: 150619-F-ER496-173.JPG