U.S. Air Force Airman 1st Class Trevor Holman, a 354th Security Forces Squadron response force leader, scans the area as he walks down the stairs Dec. 14, 2016, at the 168th Logistics Readiness Squadron building on Eielson Air Force Base, Alaska. Holman was participated in an active shooter drill hosted by the 168th Wing and 354th Fighter Wing during Arctic Gold 17-2. (U.S. Air Force photo by Airman Isaac Johnson)
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