Tech. Sgt. Dalla, a 140th Aircraft Maintenance Squadron crew chief, works on an F-16 Fighting Falcon during exercise Amalgam Dart at Thule Air Base, Greenland, June 14, 2021. Running from June 10-19, the exercise includes training operations ranging across the Arctic from the Beaufort Sea to Thule, Greenland. The exercise provides North American Aerospace Defense Command the opportunity to hone continental defense skills as Canadian and U.S. forces operate together in the Arctic. (U.S. Air National Guard photo by Airman Basic Mira Roman)
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