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Airport personnel de-ice a U.S. Air Force KC-135 Stratotanker prior to takeoff during Exercise Trident Juncture 18, at Rovaniemi, Finland, Oct. 30, 2018. The exercise is the largest NATO exercise since 2015, and includes more than 50,000 military members from 31 countries. (U.S. Air Force photo by Senior Airman Luke Milano)