COLD LAKE, Alberta—German air force Staff Sgt. Chris Arens, a NATO communications technician, stands at the entrance to the E-3A Airborne Warning and Control System aircraft here. The aircraft and its crew, stationed at NATO Air Base Geilenkirchen, Germany, were here to participate in Maple Flag 37, a multinational air combat exercise. (U.S. Air Force photo by 1st Lt. Amy Hansen)
| Added On | 14th September 2015 |
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