Tech. Sgt. Noah Cheney, 9th Civil Engineer Squadron explosive ordnance disposal technician, evaluates potential entry access points to an abandoned structure known as the “bomb factory” during Operation: Half-Life, an exercise designed to evaluate a synchronized, multi-agency response to a crisis-situation May 5, 2016, at Clear Lake, California. The structure Cheney needed access to contained various improvised explosive devices. (U.S. Air Force photo by Senior Airman Bobby Cummings)

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Photo by: Senior Airman Bobby Cummings |  VIRIN: 160505-F-CY182-207.JPG