Airmen assigned to the 319th Aircraft Maintenance Squadron from Grand Forks Air Force Base, North Dakota, perform a maintenance check June 6, 2022, on an RQ-4 Block 30 Global Hawk remotely piloted aircraft at Grand Sky on Grand Forks Air Force Base. The RQ-4 Block 30s will be used at the Test Resource Management Center’s High Speed System Test Department. Located on Grand Forks Air Force Base, Grand Sky is a business and aviation park focused on developing and growing the unmanned aerial systems industry. (U.S. Air Force photo by Senior Airman Ashley Richards)
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