Base respond to multiple EXERCISE Active-Shooter Incident
A 51st Security Forces Squadron responder sweeps the Base Exchange during an active-shooter exercise July 24, 2014, at Osan Air Base, Republic of Korea. The exercise tested emergency, recovery and defense personnel on their capablities to work through a disasterous situation. (U.S. Air Force photo by Staff Sgt. Jake Barreiro)

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Photo by: Staff Sgt. Jake Barreiro |  VIRIN: 140724-F-TG070-070.JPG