Northern Challenge 16
U.S. Air Force Staff Sgt. Cole Carroll, 52nd Civil Engineer Squadron explosive ordnance disposal craftsman, Spangdahlem Air Base, Germany, marks a safe path after sweeping an area with a mine detector during Northern Challenge 16 exercise at Icelandic Coast Guard Keflavik Facility, Iceland, Sept. 19, 2016. The exercise focused on disabling improvised explosive devices in support of counter-terrorism tactics to prepare Partnership for Peace, NATO, and Nordic nations for international deployments and defense against terrorism. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder)

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Photo by: Staff Sgt. Jonathan Snyder |  VIRIN: 160919-F-RH756-512.JPG