Shooter, explosives test Team Hill Airmen
From the right, Staff Sgt. Jacob Sime, Staff Sgt. Richard Leslie, Senior Airman Dwight Gomes and Staff Sgt. Jason Lyons, all 75th Security Forces Squadron, respond to a report of an active shooter and explosives during a response exercise at building 732, Hill Air Force Base, April 24. (U.S. Air Force/Paul Holcomb)

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Photo by: Paul Holcomb |  VIRIN: 170424-F-QT350-0002.JPG