Northern Challenge 16
U.S. Air Force Airmen assigned to the 52nd Civil Engineer Squadron explosive ordnance disposal unit, Spangdahlem Air Base, Germany, talk with a German military observer during the Northern Challenge 16 exercise at Icelandic Coast Guard Keflavik Facility, Iceland, Sept. 19, 2016. During the exercise, 52nd EOD Airmen worked side by side with counterparts from allied and partner nations to become familiar with each other's military procedures and achieve greater interoperability in combating terrorism. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder)

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Photo by: Staff Sgt. Jonathan Snyder |  VIRIN: 160919-F-RH756-014.JPG